Ratio Comparisons

Olly plays the piano and guitar. For every 5 minutes of piano practice, he spends 8 minutes practicing guitar. How many minutes will Olly practice piano if he spends 64 minutes practicing guitar?

• 40 minutes

• 45 minutes

• 80 minutes

• 60 minutes

Audrey and Megan are decorating for a birthday party. Audrey hangs 4 streamers in the same amount of time that Megan hangs 6. If Audrey hangs 12 streamers, then how many streamers can Megan hang?

• 3

• 2

• 10

• 18

Select the ratio that is equivalent to the following ratio:

3:11

• 9:33

• 1:11

• 33:11

• 3:33

Select the ratio that is equivalent to the following ratio:

18:12

• 6:9

• 9:6

• 24:36

• 120:180

• 2

• 2.5

• 1.5

• 6

Audrey and Megan are decorating for a birthday party. Audrey hangs 4 streamers in the same amount of time that Megan hangs 6. If Audrey hangs 12 streamers, what is the scale factor to determine how many streamers Megan can hang?

• 3

• 2

• 10

• 18

A toy shop sells baby rattles in green and yellow. For every two green rattles the toy shop sells, it sells 7 yellow rattles. If the company sells 108 rattles, how many yellow rattles did they sell?

• 387

• 84

• 24

• 96

A French toast recipe uses 2 eggs to make 14 slices of French toast. Brenda wants to make 98 slices of French toast to feed her family and friends. How many eggs will Brenda need to make 98 slices?

• 7

• 9

• 12

• 14

The local Rec League orders 8 soccer balls for every 12 students. How many soccer balls do you predict the league would order for 48 students?

• 36

• 40

• 32

• 16

Kaleigh is purchasing apps on her iphone. She can purchase 3 apps for $9. How much would it cost of 7 apps?

• $3

• $21

• $24

• $50