Review Proportions

Set up this proportion: Vito uses 9 liters of water to water 24 flower pots. He is wondering how many liters of water (w), it would take to water 40 flower pots. He assumes he'll use the same amount of water on each pot.

• 9/40 = x/24
• 9/24 = x/40
• 24/9 = x/40

Solve the following proportion: Vito uses 9 liters of water to water 24 flower pots. He is wondering how many liters of water (w), it would take to water 40 flower pots. He assumes he'll use the same amount of water on each pot.

• 15 liters
• 5.4 liters
• 106.7 liters
• 50 liters

Solve the proportion.

• k=5
• k=3.3333333
• k=60
• k=90

Madeline ran 21.7 miles in 7 hours. What is the unit rate? 

• 21.7 miles per hour
• 3.1 miles per hour
• .32 miles per hour
• 21.7
  7

There are 4 lemon trees for every 5 orange trees. If there are 120 trees in the orchard, how many of them are lemon trees?

• 96
• 53
• 480
• 116

Is this a proportion? 

• True
• False

James Madison University has a ratio of 4 boys to 6 girls. If there are 18,000 total students, how many boys attend James Madison University? 

• 12,000
• 27,000
• 7,200
• 45,000

Cody took a trip to Europe. Upon leaving he decided to convert all of his Euros back into dollars. How many dollars did her receive if he exchanged 20 Euros at a rate of $13 to 10 Euros?

• $26
• $15.38
• $29
• $25

The exchange rate for Nuevo Sole is 3 to $1. Determine how many dollars you would receive if you exchanged 24 Nuevos Soles.

• $9
• $7
• $8
• $72

24 star fruit cost $47.60. How many star fruit can you buy for $11.90?

• 4
• 24
• 6
• 2