Ratio and Rate Review

In 3 days the temperature dropped 27 degrees. How many degrees did the temperature drop each day?

• 3 degrees each day

• 9 degrees each day

• 0.11 degrees each day

• 24 degree each day

You and your teacher are mixing purple frosting. In the tables, you can see the ratio of red to blue food coloring in each mixture. Which of the following statements is true?

• The ratio of blue to red in your teacher's frosting is 1:3.

• Your frosting is bluer than your teacher's.

• Your frosting is redder than your teacher's.

• You and your teacher's frostings are in the same proportion of red to blue.

Water flows from a faucet at a rate of 5 gallons every 25 seconds. At this rate, how many gallons will flow from the faucet in 45 seconds?

• 9 gallons

• 5 gallons

• 11 gallons

• 40 gallons

A cashier at the grocery store rung up 2 customers in 8 minutes. At this rate, how many customers can he ring up in 30 minutes?

• 16 customers

• 10.5 customers

• 7.5 customers

• 14 customers

You go to the grocery store to buy dog food. The store has three sizes available:

A 20-lb bag for $23.44

An 8-lb bag for $9.88

A 40-lb bag for $49.00

Which size bag has the lowest cost per pound rounded to the nearest cent?

• The 8-lb bag

• The 20-lb bag

• The 40-lb bag

• I have a cat

The following table shows the speeds at which Jeff does 4 activities. For example, biking has a rate of 19

19 miles in 2 hours.

Which type of activity does Jeff do at a speed of 4.5 miles per hour?

• Biking

• Walking

• Running

• Swimming

Maria can run 1 1⁄2 miles in 15 minutes.  What is her miles per hour rate?

• 10 miles per hour

• 22.5 miles per hour

• 5 miles per hour

• 6 miles per hour

Jim wants to buy strawberries to make a fruit salad. The prices of strawberries at four local markets are shown in the table above. According to the table, which market has the best price per cup of strawberries?

• Fruit Galore

• Julie's Fresh Fruits

• Downtown Produce Market

• Eric's Fruit Stand

On a test, Matilda answered 12 out of the first 15 problems correctly. If this rate continues, how many of the next 25 problems will she answer correctly?

• 20 problems

• 22 problems

• 24 problems

• 28 problems

Turkey $6.58 per lb.

or

Turkey $11.16 for 2 lb.

Which is the better deal?

• Sara Lee

• Butterball