Ratios Proportions and Percent

This week Mr. Jackson paid $44.60 to put 20 gallons of gas in his car. Next week, he will purchase 11 gallons and will pay $24.53. What is the unit price of the gas per gallon?

• $2.23

• $0.45

• $1.23

Tags

CCSS.6.RP.A.3B

Jamie makes 15% commission for every car that she sells. What will her commission if she sells a $19,000 car?

• $2,850

• $285,000

• $285

Tags

CCSS.6.RP.A.3C

An upcoming artist signed a contract to perform at Beat Music Fest. She will receive 35% of the money from ticket sales. Each ticket costs $17.50 and 1,728 tickets are sold. What will be the amount of money that the artist will receive from ticket sales?

• $105.84

• $10,584

• $19,656

Tags

CCSS.6.RP.A.3C

After raining heavily on the east coast, a weatherman determined that a river rose 6 inches in 1 ½ hours. What is the rate that the river rose in inches per hour?

• 9 inches/hour

• 4 hours/inch

• 4 inches/hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

JoAnn sells boiled peanuts at the county fair. You can buy 2 pounds for $3.40 and 5 pounds for $8.50. The relationship between the cost (y) and the number of pounds of peanuts (x) can be graphed on a coordinate plane. Write an ordered pair that would represent the unit rate.

• (1,1.7)

• (2,3.40)

• (5,8.50)

Tags

CCSS.7.RP.A.2D

In the formula y=kx, what does k stand for?

• the ratio

• the percent

• the constant of proportionality

Tags

CCSS.7.RP.A.2B

You plan to make 11 gallons of lemonade. Your recipe calls for 2 ½ cups of sugar for every 4 gallons of lemonade you make. How many cups of sugar will you need for the 11 gallons that you plan to make?

• 2.75 cups

• 6.9 gallons

• 6.9 cups

• 2.75 cups

Tags

CCSS.7.RP.A.1

Your teacher is buying new school supplies for the class. For his purchase, he uses a 25% off coupon on a set of dry-erase boards that was originally $15.00. He also buys some dry-erase makers that are 10% off. He spends $15.25 after using his coupons. How much did he pay for the dry-erase boards?

• $10.25

• $15.00

• $11.25

• 3.75

Tags

CCSS.6.RP.A.3C

Your teacher is buying new school supplies for the class. For his purchase, he uses a 25% off coupon on a set of dry-erase boards that was originally $15.00. He also buys some dry-erase makers that are 10% off. He spends $15.25 after using his coupons. How much did he pay for the dry-erase markers?

• $4.45

• $4.44

• $0.44

• $0.17

Tags

CCSS.6.RP.A.3C