Review Proportions

Set up the following proportion: Pens are 3 for $0.69 at the supply store. What proportion can be used to find p, the amount it will cost Mrs. Faber to buy 180 pens? 

• 3/0.69 = x/180
• 0.69/180 = x/3
• 3/0.69 = 180/x

Solve for the answer: Pens are 3 for $0.69 at the supply store. What proportion can be used to find p, the amount it will cost Mrs. Faber to buy 180 pens? 

• $782.61
• $41.04
• $0.01
• $78.26

Set up the following proportion: It cost Jericho and his 3 friends $20 to get into the skating rink. What proportion can be used to find c, the amount it will cost Jericho’s parents if they have Jericho’s birthday party at the skating rink and pay for Jericho and all 24 of his classmates? 

• 4/20 = 25/ x
• 20/25 = x/4
• x/25 = 4/20 

Solve the proportion: It cost Jericho and his 3 friends $20 to get into the skating rink. What proportion can be used to find c, the amount it will cost Jericho’s parents if they have Jericho’s birthday party at the skating rink and pay for Jericho and all 24 of his classmates? 

• $3.2
• $5
• $100
• $125

What is the constant rate of change for this proportion: It cost Jericho and his 3 friends $20 to get into the skating rink. What proportion can be used to find c, the amount it will cost Jericho’s parents if they have Jericho’s birthday party at the skating rink and pay for Jericho and all 24 of his classmates? 

• $4
• $5
• $6.25
• $1

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

Roy purchased airline tickets for himself and his 3 children. The tickets cost $2,000. The airline also charged a luggage fee, bringing the total cost to $2,250. What is the percent increase in the cost due to the luggage fee?

• 125%
• 1,25%
• 12.5%
• 0.125%

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 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

Leola ran in a 10-kilometer race. About how many miles did she run? (1mi = 1.61 km)

• 10 mi
• 6.21 mi
• 16 mi
• 161 mi