Quiz about Module 2 Proportional Reasoning with Percents

Question 1

What is the original price of a pair of shoes if there is a 5% discount and the sale price is $47.03?

Accepted Answer

$49.50

Answer

$52.03

Answer

$44.68

Answer

$49.38

Question 2

Monty takes a cab to work and pays a fare of

$12.75. He tips the driver 20% and the tax rate is

8%. How much does he spend on the trip?

Accepted Answer

$16.32

Answer

$15.30

Answer

$13.77

Answer

$16.75

Question 3

Robert is inspecting a shipment of 22-inch pipes. The lengths of the pipes

may vary by 1%. What is the range of allowable lengths of the pipes?

Accepted Answer

21.78 in. to 22.22 in.

Answer

21 in. to 23 in.

Answer

24.2 in. to 19.8 in.

Answer

20.97 in. to 23.13 in.

Question 4

Two years ago, a car was valued at $24,000. This year, the value of the car

is $23,160. What was the percent decrease in the value of the car?

Accepted Answer

3.5%

Answer

8.4%

Answer

2.7%

Answer

3.6%

Question 5

Find the percent decrease from 50 to 22.

Accepted Answer

56%

Answer

28%

Answer

54%

Answer

12.7%

Question 6

Find the percent decrease from the first number to the second number. From 160 to 136

Accepted Answer

15%

Answer

24%

Answer

17.6%

Answer

14.8%

Question 7

Find the percent decrease from the first number to the second number. From 280 to 128.

Accepted Answer

54.3%

Answer

152%

Answer

118.75%

Answer

65.8%

Question 8

Luke buys a car $21,200 and finances it with 8-year simple interest loan at 4.5%. What are Luke's monthly car payments?

Accepted Answer

$300.33

Answer

$330.85

Answer

$335.57

Answer

$230.77

Question 9

The cost x of the Smith family's meal at a restaurant is $172.65, and they tip 20%. Write an equation that could be used to calculate the tip, y, for a bill total of x dollars.

Accepted Answer

y = 0.2x

Answer

y = 1.2x

Answer

y = 0.8x

Answer

y = 1.8x

Question 10

A warehouse worker fills 150 orders per day on average. From day to day, the number of orders varies by 2%. What is the range of the number of orders the worker fills each day?

Accepted Answer

least number of orders 147

Accepted Answer

most number of orders 153

Answer

least number of orders 148

Answer

most number of orders 152

Question 11

A family used a professional decorator to help furnish their new home. The decorator selected the furnishings. The family paid for the furnishings, plus 4.5% tax on the purchases. The decorator's fee is 12%. The family will use the amount of the bill to find each additional amount.

Which components would the family use to write an equation to determine the total cost of the purchase, given the amount of the furnishings, x?

Select all the components of the equation.

Accepted Answer

x

Accepted Answer

0.045x

Accepted Answer

0.12x

Answer

0.45x

Answer

x + 0.12

Module 2 Proportional Reasoning with Percents

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