Rates Ratios Proportions Scale

Solve the Proportion

• k=1

• k=4

• k=-1

• k=2

Solve the proportion

• b=1.70

• b=2.7

• b=1.07

• b=6

The scale on a map states that 3 inches=62 miles.  If the distance on the map from Daniel Morgan to James Madison is 75 miles, how many inches is that?

• 2.5 inches

• 4.3 inches

• .66 inches

• 3.63 inches

Which of the following is equivalent to the ratio 3:5

• 21:7

• 6:10

• 3:2

• 20:9

If a car travels 300 miles in 5 hours, what is the unit rate of miles per hour?

• 60 miles/hour

• 55 miles/hour

• 65 miles/hour

• 75 miles/hour

unit rate is a rate in which the unit in the denominator is:

• 0

• 3

• 1

• 2

A cyclist covers 45 miles in 3 hours. What is the cyclist's speed in miles per hour?

• 15 miles/hour

• 20 miles/hour

• 10 miles/hour

• 12 miles/hour

A recipe calls for 2 cups of sugar for every 3 cups of flour. What is the unit rate of cups of sugar to cups of flour?

• 1 cup of sugar per cup of flour

• 2 cups of sugar per cup of flour

A factory produces 480 gadgets in 8 hours. What is the production rate per hour?

• 60 gadgets/hour

• 55 gadgets/hour

• 65 gadgets/hour

• 70 gadgets/hour

If a book has 300 pages and can be read in 10 hours, what is the reading rate in pages per hour?

• 30 pages/hour

• 25 pages/hour

• 35 pages/hour

• 40 pages/hour