Percent Problems

$107.03

A family of four went out to dinner. The bill for dinner was $93.07. The family decided to leave a 15% tip. What was the total expense?

6.4

A farmer has harvested 1.6 tons of sweet potatoes from one-quarter of an acre. How many tons will he harvest from one acre?

$6.75

A paper company has all 20-pound reams of paer on sale for 1/10 off the original price. What is the discounted price o a ream of 20-pound paper?

a. 85 - 85(0.35) b. $55.25

A store is having a closing sale. All items in the store are 35% off. Samantha found a jacket she wants to buy with an original price tag of $85. a. Write an expression will find the price of the jacket after applying the sale? b. What is the sale price of the jacket?

40%

A video game store sold 65 video games on Friday. On Saturday, they sold 91 video games. What was the percent of change?

$17.40

A video store is having a closing sale and all DVDs are 60% off. What is the discounted amount if the original price for a DVD is $29?

40%

Butch wanted to buy a book about football. The book was $25.00 new. His friend Jake told him to check the used book store. The book was $15.00 used. What percentage was the book marked down?

11 feet

Don built a model airplane that had a scale of 1 cm = 2 feet. If the propeller on the model airplane was 5.5 cm long, how long was the propeller on the actual airplane?

$208.25

Franklin had $12,250 in a savings account earning interest at a rate of 1.7% per year. How much money did he earn in interest in one year?

$0.10 per month

Gas prices have increased steadily from $1.50 per gallon to $1.90 per gallon in 4 months. What is the rate of change in gasoline prices per month?

$84.38

George had $4,500 in a savings account earning simple interest at a rate of 2.5% per year. At the end of the year, George paid 25% in taxes on his interest. How much money did George earn in interest that year after paying taxes?

70%

Harley had $250.00 in her savings account in January. In July, she had $425.00. What is the percent of increase in her savings?

$2.30

In New York, state sales tax rates vary by county. In Allegany County, the sales tax rate is 8 1/2%. A book costs $12.99 and a video game costs $39.99. Rounded to the nearest cent, how much more is the tax on the video game than the tax on the book?

8 1/3% or 8.33333%

Maria went to the restaurant to buy a hamburger and a drink. She used to pay $6.00, but the price went up to $6.50. What percentage was her meal marked up?

15 goals

Mario scores 3 goals for every 17 shots he takes. How many goals will he score if he takes 85 shots?

5 miles per hour

Maya ran one and a quarter miles in a quarter of an hour. What was Maya's speed?

p = 2s

Paul has twice as many brothers as Sean. Write an equation would represent the relationship between the number of brothers they each have? (Let p = the number of brothers Paul has and s = the number of brothers Sean has.)

$175.99

Taylor spent $162.95 at a department store before a 8% sales tax was applied. What is Taylor's total purchase including sales tax?

1,600 calories

There are 400 calories in 3 chocolate donuts. If Jimmy buys a dozen chocolate donuts, how many calories would they contain?

150 hours

Valerie earns $54 for 9 hours of work. At that rate, how long would she have to work to earn $900?

k = 3/4b

Write an equation compares the number of candy bars that Katrina and Bob have sold, if Katrina sold three-quarters of the amount that Bob sold? (Let k = number of Katrina 's candy bars and b = number of Bob's candy bars.)