Ratio Percents Rates

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

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

What is one of the biggest differences between ratios and rates.

• Ratios have to do with speed, Rates have to do with weight

• Ratios are always in miles per hour, Rates use kilometers per hour.

• Ratios don't have units, rates do.

• Ratios are percents, whereas rates are ratios

At a bus station, busses depart at a rate of 3 every 10 minutes. At this rate, how many busses would depart in one hour?

• 3 busses

• 10 busses

• 13 busses

• 18 busses

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 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

Are these equivalent?

0.5 = 50%

• Yes

• No

What is 20% of 80?

• 16

• 8

• 64

• 28

12 is 20% of what number?

• 2.4

• 80

• 60

• 24