Unit 4 Review for Post SLT Test

A baker made 20 cupcakes in the past two batches. She decorated 8 of those cupcakes with sprinkles. What is the ratio of cupcakes with sprinkles to the total number of cupcakes made?

• 20:8

• 8:12

• 8:20

• 12:20

A florist has 9 roses and 6 lilies in a vase. What is the ratio of lilies to roses?

A fruit basket contains 12 apples and 8 oranges. What is the ratio of apples to the total number of fruits in the basket?

• 8:12

• 12:8

• 12:20

• 20:12

A car traveled 120 miles in 2 hours. What is the unit rate of miles per hour?

• 240:1

• 60:1

• 118:1

• 122:1

A gardener uses 5 liters of water for every 10 kilograms of fertilizer. How many liters of water are used per kilogram of fertilizer?

• 2 liters

• 0.5 liters

• 15 liters

• 50 liters

• 5/10 liters

A painter mixes blue and yellow paint to create a specific shade of green. The ratio of blue paint to gallons of green paint is 3:8. Using the same mixture, how many gallons of blue paint are needed for 1 gallon of green paint?

• 8/3 gallons

• 3/8 gallons

• 5 gallons

• 24 gallons

The unit rates for three candy-making machines, X, Y, and Z, are shown in the table below:

• Machine X: 15 candies per minute

• Machine Y: 12 candies per minute

• Machine Z: 18 candies per minute

Listed below are several production runs performed on these machines. Match each production run to the machine that produced it.​ ​ ​ ​

• 60 candies in 4 minutes

• Machine X

• 90 candies in 5 minutes

• Machine Z

• 36 candies in 3 minutes

• Machine Y

Sarah made a table showing the number of beads and buttons she used in her crafts.

Beads to Buttons:

• 3:15

• 6:30

• 9:45

• 12:60

• 15:?

If she continued using beads and buttons at the same rate, how many buttons did she use when she used 15 beads?

• 65 buttons

• 70 buttons

• 75 buttons

• 80 buttons

A train travels at a constant speed of 80 kilometers per hour. Based on this rate, which of the following times and distances traveled are correct? Select two that apply

• 2 hours, 120 kilometers

• 3 hours, 240 kilometers

• 1.5 hours, 160 kilometers

• 4 hours, 360 kilometers

• 2.5 hours, 200 kilometers

A tutor charges $28 per hour. How many hours did the tutor work if they were paid $182?

• 5.5 hours

• 6 hours

• 6.5 hours

• 7 hours