Proportions Rates

You spend $40 on 5 pounds of concrete. How much would would it cost for 7 pounds of concrete?

• $56

• $50

• $35

• $42

What would be the ratio of red apples to green apples if there were double the amount of apples?

• 6 red apples to 8 green apples

• 8 red apples to 6 green apples

• 4 red apples to 3 green apples

• 3 green apples to 4 red apples

In a certain apartment building, the ratio of tenants to cars is 3:5. If there are 30 tenants, how many cars are there?

• 35

• 60

• 18

• 50

Which is NOT equivalent to 3:5?

• 15:25

• 9:15

• 21:28

• 30:50

Tommy has a bag of LEGOS. There are:
6 yellow
3 red
8 blue
What is the ratio of blue LEGOS to the total number of LEGOS?

• 8:17

• 6:17

• 6:8

• 3:6

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

A watermelon cost $3.24 for 3 pounds, what is the cost per pound?

• $9.72

• $1.08

• $6.24