Ratio and Rates with Conversion

In a classroom of 30 kids there are 18 girls and 12 boys. What is the ratio of girls to boys?

• 3:2

• 9:15

• 2:3

• 6:15

One slice of pizza had 4 olives, 2 pieces of pepperoni, 2 onions and 3 mushrooms. What is the ratio of pepperoni to onions on this slice?

• 4:3

• 2:3

• 1:1

• 4:1

Soda is on sale 4 packs for $10. What is the unit rate? (i.e. how much is each pack)

• $4.10

• $2.50

• $1.67

• $0.40

You are running a 10k. You run the first 2 kilometers in 13 minutes. At this rate, what will be your total time for the 10 kilometer race?

• 53 hours

• 65 minutes

• 130 minutes

• 32.5 minutes

I can change numbers from fractions to decimals to percents. If I had 3/4, for example, that mean 3 divided by 4 is 0.75. What percent is that?

• 75%

• 0.75%

• 34%

• 750%

Which of these is an example of a unit rate?

• 3 loaves of bread for $5.00

• 27 miles per hour

• 2 pounds for $6.99

• 120 miles in 3 hours

You know that 12 inches = 1 foot.  Convert 60 inches to feet.

• 720 feet

• 5 feet

• 5 inches

• 72 feet

If Justin can type 408 words in 4 minutes, how many words can he type per minute? (Find the unit rate!)

• 102 words per minute

• 100 words per minute

• 400 words per minute

• 412 words per minute

Express the following ratio in simplest form
 6 red cars to 4 blue cars. 

• 4:6

• 2/3

• 3:2

• 4/6

You're going to have a BBQ with grilled corn on the cob. Yum. You will need 12 ears of corn. Right now they're on sale 5 for $2. How much will you spend for 12?

• $30

• $5.20

• $4.80

• $2.50