Ratio, Rates, Proportions

If there are 5 boys to 7 girls, how many girls would there be if the number of boys increased to 20?

• 35 girls

• 28 girls

• 24 girls

• 30 girls

For 6 people to enter the park, it cost $36. How much would it cost for 9 people?

• $45.50

• $48.00

• $54.00

• $52.50

Daisy sour cream is $1.68 for 8 oz.

Kraft sour cream $2.08 for 16 oz.

Find the unit price of each and choose the better deal.

• Daisy

• Kraft

Are the two ratios equivalent?

3 : 10 and 9 : 20

• Yes

• No

Alycia earned $20.40 in 3 hours. What is her unit rate in dollars per hour?

• $7 per hour

• $6 per hour

• $6.80 per hour

• $17.40 per hour

Which of the following is NOT an example of a ratio?

• 3:1

• 3 and 1

• 3 to 1

• (3, 1)

In the proportion: What is the Constant of Proportionality ( the bridge number)

• 4

• 8

• 14

• 10

Write the ratio in two other forms 4 to 6.​ ​ ​

• 4 plus 6

• 4:6

• 6 to 4

unit rate is a rate in which the unit in the denominator is:

• 0

• 3

• 1

• 2