Unit 2 Review: Proportions & Percents

Unit 2 Review: Proportions & Percents

Multiple Choice

A percent is...

• a number out of 100

• an equation of equivalent ratios

• a number that divides evenly into another number

Multiple Choice

A proportion is..

• a number out of 100

• an equation of equivalent ratios

• a number that divides evenly into another number

Multiple Choice

The percent proportion is..

• this is not the right way to set it up

• a way to solve percent problems

Proportions Practice

Multiple Choice

Which choice is NOT a proportion (equal ratios)?

• $\frac{2}{4}\ =\ \frac{8}{16}$

• $\frac{5}{25}=\frac{6}{30}$

• $\frac{10}{8}=\frac{5}{4}$

• $\frac{40}{50}=\frac{4}{14}$

Multiple Choice

Solve for x:

 $\frac{6}{10}\ =\ \frac{42}{x}$  

• 7

• 17

• 70

• 77

Multiple Choice

Solve for x:

 $\frac{18}{54}\ =\ \frac{x}{9}$  

• 6

• 10

• 3

• 2

Multiple Choice

Solve for x:

 $\frac{4}{10}\ =\ \frac{x}{15}$  

• 6

• 10

• 3

• 2

Multiple Choice

Claire played Among Us and was the impostor 3 times and a crewmate 5 times.

At this rate, how many times would she be the crewmate if she was impostor 21 times?

• 35

• 7

• 23

• 28

Percents Practice

Multiple Choice

What does it mean if you have 100% of something?

• you have none of it

• you have half of it

• you have the entire amount

• you have more