Proportions Review

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

Tags

CCSS.7.RP.A.2C

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

Tags

CCSS.6.RP.A.3B

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

Tags

CCSS.7.RP.A.3

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

Do the ratios form a proportion?

• Yes, they form a proportion.
• No, they do not form a proportion.

Tags

CCSS.6.RP.A.3A

Solve the proportion.

• k=5
• k=3.3333333
• k=60
• k=90

Tags

CCSS.7.RP.A.2B

A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?

• 2.5 cups milk
• 1.75 cups milk
• 2 cups flour
• 2.25 cups milk

Tags

CCSS.7.RP.A.3

Pat needs 14 sticks of pepperoni to make 28 pizzas.  How many sticks of pepperoni are needed to make 36 pizzas?  

• 15 pizzas
• 252 sticks
• 18 sticks
• 18 pizzas

Tags

CCSS.7.RP.A.3

CCSS.7.RP.A.2

Solve the proportion.

• p=31.3
• p=308
• p=924
• p=532

Tags

CCSS.7.G.A.1

A tree is 72 feet tall and has a shadow that is 12 feet long.  A nearby tree has a shadow of 5 feet.  How tall is the tree? 

• 3 ft.
• 300 ft.
• 30 ft.
• 35 ft.

Tags

CCSS.HSG.SRT.C.8