Simple Interest, Tax, Tip, Discount & Commission, 7th Grade - Percent Problems, 7th Grade Percents

$98

Jonah buys a new video game for a price of $89.50. What is the total amount his debit card is charged if the sales tax is 9.5%?

$90

Juliette's bill at at Longhorn Steakhouse was $75. If she tips her waiter 20%, what is her total bill?

2 years

Justin wants to buy a laptop computer that costs $580. He gets a loan from Computers 'R' Us with an interest rate of 14.5%. If Justin pays $168.20 in interest, how long will he have the loan for?

$30

Lassya paid $15 for a T-shirt at the mall. It was on sale for 50% off. What was the original price?

$245.70

Lydia purchased an apple watch for $234. If the sales tax is 5%, how much will Lydia pay altogether?

commission

Money earned by a sales person when they sell an item is called ___________________.

$396

Principal - $3,300 Time - 18 months Rate - 8% How much interest did this loan earn?

5%

Principal - $800 Time - 42 months Interest $140 What is the annual rate of interest for this loan?

$285

Rate - 11% Time - 2 years Interest $62.70 What was the principal for this loan?

$28.00

Rick paid $350.00 for a mini-fridge. Sales tax is 8%. How much did Rick pay in tax?

$378

Rick paid $350.00 for a mini-fridge. Sales tax is 8%. How much did Rick pay including tax?

$4525

Samuel invests $2,500 into an account that earns 9% simple interest for 9 years. How much money will Samuel have after 9 years?

$666.50

Shane deposits $500 in an account that earns 7.4% simple interest. How much money will he have after 54 months?

6 months

Sue earns $10 interest on an investment of $500. If the money was invested at a simple interest rate of 4%, how long did Sue have her money in the investment?

$18.60

Suppose a salesperson gets a commission rate of 12% on the lawnmowers she sells. If a customer buys a $155 lawnmower, how much commission will the salesperson receive?

$83.13

The Cowans went out to eat at Chili's. If their bill was $70.45 and they gave their server a 18% tip, how much did they pay altogether?

3%

The Interest paid on a 2-year student loan is $180. If you borrowed $3,000, what was your interest rate/

discount

The amount an item is reduced by is called the ________________.

6%

You are borrowing money to purchase a used car for $2,000. The loan paperwork shows that you will pay a total of $600 in interest after 5 years. What was the interest rate for your loan?

tip

___________ is money you pay to someone for a service.

Percent decrease

a decrease given as a percent of the original amount

percent

a ratio which is always based on the total being 100

proportion

a statement that two ratios (or fractions) are equal to each other

Rate - 13% Time - 4.5 years Interest $702 What was the principal for this loan?

$1200

Skyler bought a game on sale for $116 It was marked down 20%. What was the original price?

$145

Paula is selling a necklace that she made. She spent $15 to make the necklace and wants a markup of 45%. What will be the selling price?

$21.75

The Stark family spends $750.00 on groceries per month. If this is 20% of their monthly budget, what is their monthly budget?

$3,750

Ryan is selling a new computer system he designed. He spent $200 and wants a markup of 50%. What should he price the computer system?

$300

A gym membership costs$10.50 per month. If you pay for the entire year up front, the gym offers a 25% discount. How much do you save if you pay upfront rather than monthly?

$31.50

Heather designed some artwork that she plans to sell. She spent $22 on supplies and will price the artwork at 80% markup. What will be her selling price?

$39.60

Krista bought a pair of jeans priced at $65 on sale for 25% off the original price. What did Krista pay for the jeans?

$48.75

Damian is buying a video game that was just marked 20% off. The original price was $80. What is the new price of the game?

$64

$51.20

$64 jacket; 20% discount. Find the sale price.

Tamika finds a new pair of boots that she wants to buy that originally cost $99, but are on sale for 25% off. What is the discounted price?

$74.25

Find 10% of 10.

1

What percent of 500 is 5?

1%

Hurley needs to decrease the number of calories he consumes from 2,400 to 2,100 in order to lose weight. By what percent does the number of calories need to decrease?

12.5%

Mr. Webb gave his waiter a $7 tip on a $50 bill. What percent tip did he give the waiter?

14%

Principal - $325 Rate - 13% Interest $633.75 How long did this investment grow?

15 years

Find the percent of change and state if it's an increase or decrease. Original: 160, New: 136

15% decrease

Principal - $150 Rate - 15% Interest $33.75 How long did this investment grow?

18 Months

Michonne sold $315.00 of merchandise and earned $56.70 in commission. What is Michonne's commission rate?

18%

Nathan's tomato plants grow 6.5 inches in 2 months. How many inches tall would they be in 6 months?

19.5

Find 25% of 100

25

Find the percent of change and state if it's an increase or decrease. Original: 68, New: 51

25% decrease

Find the percent of change and state if it's an increase or decrease. Original: 4, New: 5

25% increase

What is 150% of 20?

30

Principal - $1,600 Time - 3 years Interest $192 What is the annual rate of interest for this loan?

4%

What percent of 60 is 24?

40%

Find the percent of change and state if it's an increase or decrease. Original: 45, New: 63

40% increase

What is 50% of 90

45

Brianna works at Old Navy. Her salary when she began was 8.50/hour and because she was such a hard worker her boss increased her salary to 12.50/hour. What was her percent raise?

47

Find 5% of 100

5

Find 25% of 204.

51

Principal - $3,270 Time - 4 years Interest $981 What is the annual rate of interest for this loan?

7.5%

To make 24 cups of coffee, you need 12 tablespoons of ground coffee beans. How many cups of coffee could you make with 4 tablespoons?

8

$13.00

A $65.00 gift is 20% off. What is the discount?

$52.00

A $65.00 gift is 20% off. What is the sales price?

$2.00

A 12 pack of soda costs $8. What is the cost of 3 cans?

$2.62

A dozen eggs cost $3.49. How much would 9 eggs cost?

$10.47

A dozen of eggs cost $3.49. How much would 3 dozen eggs cost?

$24.70

A pair of jeans cost $26 at Old Navy during tax-free weekend. If there is a discount of 5% off, how much will the jeans cost?

discount

A reduction in the retail or wholesale price of a product or service

$233.75

A trampoline costs $220 and the sale tax is 6.25%. What is the total cost?

Markup

An increase in the price of an item

$4.22

Ashley purchased 4 items at the dollar store (each item cost a dollar). If sales tax is 5.5%, how much did she pay for the 4 items altogether?

$27.80

Ava is buying headphones at Target for $139. She has a coupon for 20% off. What is the discount amount?

$11,840

Brian borrows $7,400 from Ed, who charges him 12% simple interest each year. how much will Brian pay Ed, if he repays after 5 years?

$34.50

Elenora's bill was $30.00 at Chuy's. If she leaves a 15% tip, how much will her TOTAL BILL be?

Equivalent

Equal in Value

$334.80

Find the selling price of a $270 bicycle with a 24% markup.

20%

I thought I could run a mile in 10 minutes. I only took 8. What is the percent error?

$58.43

If the tax rate is 6.5%, how much tax would you pay for a new TV that is $899 at Best Buy?

$1,001

If you work at the Chevrolet dealership and make a 5.5% commission for every car you sell, how much commission will you make if you sell a Tahoe that costs $18,200?

tip

an amount added to a bill for services provided

sales tax

an amount of money that is calculated by applying a percentage rate to the taxable price of a sale

Percent increase

an increase given as a percent of the original amount

is

means equals, the "part" in a proportion when computing percentages

of

means multiply, the "whole" in a proportion when computing percentages

percent of change

the ratio of the amount of increase or decrease to the original amount