Calculating Percentages Quiz

You work in a retail store and need to determine sale prices on various items. A kitchen mixer with an original price of $44.86 is on sale for $8.97 off. A small vacuum cleaner with a regular price of $119.99 needs to get discounted by the same percentage as the mixer. What is the sale price of the vacuum cleaner? $53.85 $84.10 $95.99 $111.02 $143.99

$95.99

You are the manager of a local charity. You expect 63 donors to begin donating electronically next year. This figure represents 21% of the charity's donor list. How many of the charity's donors will not donate electronically? 13 33 189 237 300

237

You are the shift supervisor at a local restaurant. You note that 15 employees work on Sundays. This represents 60% of all the restaurant's employees. How many employees does the restaurant have? 10 20 25 30 60

25

You are the manager of a movie theater, and you are analyzing attendance data from last weekend. On Friday evening, 285 people come to see a new animated movie. On Saturday evening, 355 people come to see the same movie. What is the approximate percent increase in attendance? 20% 25% 45% 180% 225%

25%

You are a testing specialist at a job placement center. In the past, about 55% of applicants have scored "proficient" on a computer skills exam. This week, 74 applicants will take the exam. Based on past performance, how many of these applicants do you expect to score "proficient"? 19 33 37 41 55

41

During a staff meeting, one department director reports that 24 people, representing 30% of department personnel, are providing customer service that exceeds the company's standards. How many people work in that department? 34 80 125 720 800

80

According to company records, 128 of 460 employees purchase health insurance through the company. The chief human resources officer needs to calculate the percentage of employees that purchase health insurance through the company. Which equation can be used to find this percentage?

C

You work for a landscaping company and need to purchase a new trailer. The original price of the model you are looking at is $1,799, but the trailer is currently on sale for 15% off. Which equation can be used to find the sale price of the trailer?

D

At a local gym, 10 of the 40 trainers currently have CPR certification. Next year, the gym plans to have 46 trainers, and the owner wants the percentage of trainers with CPR certification to remain the same. The owner uses the following calculations to determine that 6 additional trainers will need CPR certification. Step 1: 10 ÷ 40 = 0.25Step 2: 0.25 x 100 = 25%Step 3: 46 - 40 = 6 trainers What is the first error that the owner makes? In Step 3, the owner should have subtracted 46 - 25%. In Step 3, the owner should have found 25% of 46 by multiplying 0.25 x 46. In Step 1, the owner should have divided 40 by 10. This affects the resulting percentage and the calculation of the number of additional trainers needing certification. In Step 1, the owner should have divided 10 by 46. This affects the resulting percentage and the calculation of the number of additional trainers needing certification. In Step 2, the owner calculated the percentage incorrectly. The correct percentage is 2.5%. This affects the calculation of the number of additional trainers needing certification.

In Step 3, the owner should have found 25% of 46 by multiplying 0.25 x 46.

You manage a hardware store. One of your employees is marking clearance prices on items throughout the store. The price of a drill driver that normally costs $139.99 is marked down by 30%. A similar driver is to be reduced by the same dollar value. The second driver normally sells for $124.99, and the employee marks it down to $94.99. What error, if any, did the employee make? There is no error. The employee is correct. The employee subtracted 30 from the original price. The employee marked down the second driver by 30%. The employee changed the sale price to 30% of $139.99. The employee marked down the second driver to the same sale price as the first driver.

The employee subtracted 30 from the original price.