The Percent Proportion and Equation

What is the percent proportion?

• $\frac{of}{is}=\frac{\%}{100}$

• $\frac{is}{of}=\frac{\%}{100}$

• $\frac{whole}{part}=\frac{\%}{100}$

• $is\ =\ \%\ as\ decimal\ \cdot\ of$

What is 23% of 65?

• 14.95

• 149.5

• 282.6

• 42

Tags

CCSS.6.RP.A.3C

What percent of 50 is 20?

• 40%
• 25%
• 2.5%
• 4%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

78 is what percent of 500?

• 15.6%

• 1.56%

• 6.4%

• 22.7%

The movie theater has 250 seats. 225 seats were sold for the current showing. What percent of seats are empty?

• 10%
• 20%
• 80%
• 90%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

CCSS.7.EE.B.3

Bill is in a class of 15 boys and 35 girls. 40% of the students in the class take the bus to school. How many students take the bus to school?

• 15

• 20

• 30

• 35

Tags

CCSS.6.RP.A.3C

You are assigned 32 math questions for homework. You complete 87.5% of these before dinner. How many questions do you have left to to do after dinner?

• 7
• 4
• 28
• 20

Tags

CCSS.6.RP.A.3C

Set up a proportion for the following:

34% of what number is 51?

• 
  

  $\frac{34}{x}=\frac{51}{100}$

• $\frac{51}{x}=\frac{34}{100}$

• $\frac{34}{51}=\frac{x}{100}$

•  $\frac{x}{51}=\frac{34}{100}$  

Tags

CCSS.7.RP.A.2C

Set up a proportion for the following:

What is 90% of 250?

• $\frac{90}{250}=\frac{x}{100}$

• $\frac{250}{x}=\frac{90}{100}$

• $\frac{x}{250}=\frac{90}{100}$

•  $\frac{x}{90}=\frac{250}{100}$  

Tags

CCSS.7.RP.A.2C

Set up a proportion for the following:

2 is 10% of what number?

• $\frac{x}{2}=\frac{10}{100}$

• $\frac{2}{x}=\frac{10}{100}$

• $\frac{2}{10}=\frac{x}{100}$

•  $\frac{x}{10}=\frac{2}{100}$  

Tags

CCSS.7.RP.A.2C