Big Ideas Math Rates

A factory produces 300 video game disks in 15 minutes. How many video game disks can it produce in 1 minute?

• none of those

• 4,500 video game disks

• 20 video game disks

• 1/20 20 video game disks

A printer can print 25 pages per minute. At this rate, how long will it take to print 2,000 pages?

• 50,000 minute

• none of those

• 1/80 minute

• 80 minutes

An empty bathtub is filled with water at a rate of 2.5 liters per minute. How long will it take to fill the bathtub with 30 liters of water?

• 7.5 minutes

• 12 minutes

• none of those

• 10 minutes

2/3 cup of oatmeal is needed to make 10 granola bars. How many such granola bars can be made with 20 cups of oatmeal?

• 13 granola bars

• 133 granola bars

• 300 granola bars

• none of those

150 grams of fertilizer is required for a land area of 6 square meters. At this rate, how many grams of fertilizer are required for a land area of 13 square meters?

• 325 grams of fertilizer

• 900 grams of fertilizer

• 69 grams of fertilizer

• none of those

150 grams of fertilizer is required for a land area of 6 square meters. For what land area will 850 grams of fertilizer be sufficient?

• none of those

• 36 square meters.

• 32 square meters.

• 30 square meters.

The table below shows the charges for using an Internet service. Nicholas used the Internet service for 16 hours and 40 minutes last month. Under which plan would he have to pay less?

• Plan A

• Plan B

• Both are equal

Ashley took 3 minutes to run a distance of 540 meters from Point X to Point Y. Grace took 2 minutes to run a distance of 480 meters from Point Z to Point Y. Find the speed of each girl.

• Grace’s speed was 180 meters per minute and

  Ashley’s speed was 240 meters per minute.

• Ashley’s speed was 1,620 meters per minute and

  Grace’s speed was 1,440 meters per minute.

• Ashley’s speed was 180 meters per minute and

  Grace’s speed was 240 meters per minute.

• none of those

The distance between Town A and Town B is 45 kilometers. If a train travels at a speed of 60 kilometers per hour, how long will it take to travel from Town A to Town B?

• 1 1/3 hour

• none of those

• 3/4 hour

• 2,700 hours

The distance between Town A and Town B is 45 kilometers. If a train takes 40 minutes to travel from Town A to Town B, what is its speed in kilometers per minute? Round your answer to 1 decimal place.

• 1.1 kilometers per minute

• 0.9 kilometer per minute

• none of those

• 1 kilometers per minute