Module 2 Proportional Reasoning with Percents

Melissa makes apple pies and sells them

with a markup of 78%.

Write an equation representing the retail price y of Melissa’s apple pies

in terms of the original cost x.

• y = 0.22x

• y = 1.78x

• y = x + 1.78

• y = 0.78X

Dirk is a broker who earns $41,000 annually, 3.5% commission on his clients’

investments of $2.4 million, and a fee of $5.25 on each online transaction. If Dirk processes 1,250 online transactions this year, what are his annual earnings?

• $126,250

• $84,000

• $131,562.50

• $90,562.50

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

• $52.03

• $44.68

• $49.38

• $49.50

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?

• $16.32

• $15.30

• $13.77

• $16.75

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?

• 21 in. to 23 in.

• 21.78 in. to 22.22 in.

• 24.2 in. to 19.8 in.

• 20.97 in. to 23.13 in.

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?

• 8.4%

• 2.7%

• 3.5%

• 3.6%

Find the percent decrease from 50 to 22.

• 28%

• 54%

• 12.7%

• 56%

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

• 24%

• 15%

• 17.6%

• 14.8%

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

• 54.3%

• 152%

• 118.75%

• 65.8%

The base salary is $54,300. The commission is 2.75% of the total sales of

$950,000. Find the total earnings