Proportions Review

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 

Tags

CCSS.7.RP.A.2C

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

Tags

CCSS.7.RP.A.2C

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

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

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

Tags

CCSS.6.RP.A.3D

What is the constant of proportionality: Eliana drove her car 81 km and used 9 liters of fuel. 

• 11 km/liter
• 5 km/liter
• 9 km/liter
• 3 km/liter

Tags

CCSS.7.RP.A.2B

The table shows the prices for cases of soda at three supermarkets. Which supermarket offers the best price per can of soda? 

• Better Market
• Great Buys
• Good Food
• cannot be determined

Tags

CCSS.6.RP.A.3B

Mike paid $21.00 before taxes for 5 DVDs. What is the constant of proportionality that relates the cost in dollars, y, to the number of DVDs, x?

• $105
• $16
• $26
• $4.20

Tags

CCSS.7.RP.A.2B

Tareq pays $22.10 for 2.6 pounds of salmon. What is the price per pound of the salmon?

• $57.46
• $8.50
• $19.50
• $24.70

Tags

CCSS.6.NS.B.3

Yvette uses 6 grams of tea leaves to make 24 fluid ounces of tea. Last week she made 288 fluid ounces of tea. How many grams of tea leaves did Yvette use to make tea last week?

• 0.5 g
• 1,152 g 
• 72 g
• 2 g

Tags

CCSS.6.RP.A.3B

Beryl made 5 gallons of lemonade for a family gathering. About how many liters of lemonade did Beryl make? (1 gal = 3.79 liters)

• 5 L
• 37 L
• 18.95 L
• 15 L

Tags

CCSS.5.MD.A.1