Week 9 Pre-Test (7.4D Rates, Ratios, Percents)

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

• $1.25 per pound
• $1 per pound
• $2 per pound
• $1.50 per pound

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Solve the proportion.

• k=5
• k=45
• k=60
• k=90

Tags

CCSS.7.RP.A.2B

At Emily's summer camp, there were 80 girls and 12 counselors. At this rate, how many counselors should they have for 100 girls?

• 10
• 14
• 15
• 16

Tags

CCSS.6.RP.A.3B

The ratio of boys to girls is 12:17. If there are 200 students, how many girls would you expect there to be? Round to nearest person.

• 117 girls
• 83 girls
• 141 girls

Tags

CCSS.7.RP.A.3

Herman saves 22% of his monthly paycheck so he can buy a new car. He earned $825 last month. How much money did Herman save for his new car last month?

• $62.70

• $165.00

• $181.50

• $206.25

Tags

CCSS.6.RP.A.3C

An object that weighs 150 pounds on Earth weighs only 57 pounds on Mars. What percent of an object's weight on Earth is its weight on Mars?

• 38%

• 42%

• 57%

• 93%

Tags

CCSS.6.RP.A.3C

Of all the students in a class,  $\frac{1}{5}$  of them walk to school each day. What percents of students in the class walk to school? 

• 1%

• 5%

• 15%

• 20%

Ellen had 25 hair clips. 7 of them were blue and the rest were purple. What percent of the hair clips were purple?

• 28%

• 72%

• 7.2%

• none of those

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

Tags

CCSS.7.RP.A.2A

What is equivalent to ¾?

• 7/12
• 15/20
• 12/20
• 1  1/4

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1