Unit 2 Test Review

Unit 2 Test Review

Module 4: Ratios and Proportions

Module 5: Percent applicaitons

MODULE 4: Ratios and Proportions

Unit Rates using fractions

Identifying Proportional Relationships from Graphs, Tables, and Equations

Multiple Choice

Sasha can mow  $\frac{3}{8}$  of an acre of grass in 45 minutes. How many acres of grass does Sasha mow per hour? 

•  $\frac{1}{2}$  acre per hour

•  $\frac{1}{4}$  acre per hour

•  2 acres per hour

•  $1\ \frac{1}{2}\$  acres per hour

Multiple Choice

Craig earns extra money as a lifeguard. He earns $37 for 4 hours and $64.75 for 7 hours.  What is the constant of proportionality (how much did he make per hour)?

• $37
• $64.75
• $9.25
• $18.50

Multiple Choice

Jasmin is baking a cake that calls for 1/4 cup water for every 1/2 cup of flour. How much flour will she need if she uses 1.5 cups of water?

• 4 cups of flour
• .75 cups of flour
• 3 cups of flour
• .25 cups of flour

Multiple Choice

Write an equation for this relationship.

• y=18x
• y=18.50x
• y=22.50x
• y=22x

Fill in the Blanks

 

Which unit rate is lower? 

Brand A: 240 mg sodium for  $\frac{1}{3}$  pickle 

Brand B: 325 mg sodium for $\frac{1}{2}$   pickle

Multiple Choice

Suri charges by the day to walk a dog. She charges $6.25 for 5 days and $8.75 for 7 days. Which equation represents this relationship?

• y = 7x

• y = 5x

• y = 2.50x

• y = 1.25x

Multiple Choice

Randy walks $\frac{1}{2}$ mile in each  $\frac{1}{5}$  hour. How far will Randy walk in one hour? 

•  $\frac{1}{2}\ miles$  

•  $2\ miles$  

•  $2\ \frac{1}{2}\ miles$  

•  $5\ miles$  

MODULE 5: Percent Applicaitons

Percent Change

Rewriting Percent Expressions

Percent Applications: Sales tax, Tips, Commissions, & Simple Interest

Multiple Choice

A town’s population went from 25,800 to 42,600 in 15 years. What was the percent of change?

• 35%

• 39.4%

• 61%

• 65.1%

Multiple Choice

A store had a sale on art supplies. The price p of each item was marked down 60%. Which expression represents the new price?

• 0.4p

• 0.6p

• 1.4p

• 1.6p

Multiple Choice

Clarke borrows $16,000 to buy a car. He pays simple interest at an annual rate of 6% over a period of 3.5 years. How much does he pay altogether?

• $18,800

• $19,360

• $19,920

• $20,480

Multiple Choice

Mrs. Foster works on commission. She needs to make $3,000 in commission this month. If she gets 4% commission for the product she sells, how much does she have to sell?

• $7,500

• $75,000

• $120

• $120,000

Multiple Choice

Linda went out to lunch and the total bill was $24. She left a 15% tip for the server.

What is the total amount, including the tip, that Linda paid for lunch?

• $3.60

• $20.40

• $27.60

• $39

Multiple Choice

How much tax would you pay on a new TV that is $899 at Best Buy, if the tax rate is 6.5%?

• $957.44
• $840.00
• $58.44
• $840.57

Multiple Choice

How long does Ed need to keep $600 dollars in an account that pays 2.75% annual simple interest to earn $264.00?

• 3 months
• 3 years
• 16 years
• 16 months

Multiple Choice

Last week, you finished level 2 of a video game in 32 minutes. Today, you finished level 2 in 28 minutes. What is your percent of change?

• Increase 12.5%
• Decrease 12.5%
• Increase 4%
• Decrease 4%