Ratio Rate and Percent

A class survey showed that 8 out of 25 students plan to travel over Thanksgiving break. How many students out of the 400 students in the entire school would you expect to be traveling over the break?

• 32 students

• 128 students

• 320 students

• 96 students

Tags

CCSS.7.RP.A.3

In Amalie's home town, the ratio of cars to people is 420 to 1000. What fraction shows this ratio in simplest form?

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is a Ratio?

• Is a comparison of two quantities 

• A rate with a denominator of one

• It is when the only factor the numerator and denominator share is a one 

• Two decimals that can be multiplied

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

In a bouquet of​ flowers, there are 7 daisies and 19 roses. Write the ratio of daisies to roses in three different ways.

• 19 to 7, 19:7, 19/7

• 19 to 7, 7:19, 7/19

• 7 to 19, 7:19, 7/19

• 7 to 19, 19:7, 19/7

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

If 20% of a number is 40, what is the number?

• 100

• 200

• 150

• 250

Tags

CCSS.6.RP.A.3C

What is 35% of 180?

• 63

• 70

• 75

• 80

Tags

CCSS.6.RP.A.3C

If 60% of a number is 72, what is the number?

• 110

• 120

• 84

• 96

Tags

CCSS.6.RP.A.3C

If 30% of a number is 45, what is the number?

• 120

• 150

• 90

• 75

Tags

CCSS.6.RP.A.3C

If 15% of a number is 30, what is the number?

• 100

• 150

• 250

• 200

Tags

CCSS.6.RP.A.3C

What is 25% of 80?

• 20

• 30

• 15

• 40

Tags

CCSS.6.RP.A.3C