Ratios Proportions

48

120

2.5

15

• 48

• 120

• 2.5

• 15

• 1
• 2
• 4
• 8

• 1
• 2
• 4
• 8

• 1
• 25
• 4
• 100

• 3
• 4
• 12
• 8

Kelly has 10 apps on her iPad. 5 are school apps, 2 are music apps, and 3 are games. What fraction of her apps are school apps?

• 5/2

• 2/3

• 5/10

• 1/2

What is the constant of proportionality? 

• 45 mph

• 90 mph

• 135 mph

• 2 mph

Hunter buys 36 baseball cards for $18. How many baseball cards can Troy buy if he has $9?

• 18 baseball cards

• 4 baseball cards

• 24 baseball cards

• 16 baseball cards

A container holds 20 total marbles. There are 13 red marbles and the rest are blue. Choose the correct ratio of blue marbles to red marbles. 

• 13:7

• 7:13

• 20:7

• 13:20

The weight of 13 candy bars is 26 ounces.  If each candy bar weighs the same amount, what is the weight of 35 candy bars?

• 78 ounces

• 52 ounce

• 70 ounces

• 2 ounce