Chapter 16: Rates

Chapter 16: Rates

Warm-Up

A cheetah ran at a speed of 75 feet per second for 7 seconds. How many feet did the cheetah run during this time?

A. 490
B. 525
C. 600
D. 711

Groundwork 1:

Using the table, which of the flights has the cheapest rate in terms of price to flight time?

A. Dallas
B. Houston
C. Austin
D. San Antonio

Groundwork 2:

It takes you 2.5 hours to reach an art museum from your hotel. If you ride a bike at 15 kilometers per hour, how far away is the art museum?

Groundwork 3:

The tour guide at the art museum has 20 visitors in each tour and gives 8 tours each day. How many total visitors does the tour guide have each day?

Multiple Choice

Your college is 525 miles away. If you leave for college at 9 AM, driving 75 mph the whole way, what time will you arrive on campus?

• 2 PM

• 4 PM

• 5 PM

• 7 PM

Multiple Choice

An oilfield worker was pumping fluid to a tank at a rate of 40 gallons per minute. The hose came loose and began leaking oil at the same rate for a total of 4 minutes. How many gallons of oil were lost?

• 10 gallons

• 40 gallons

• 80 gallons

• 160 gallons

Multiple Choice

A train traveled at a speed of 65 miles per hour for 8 hours.

How many miles did the train travel during this time? (Distance = speed x time)

• 520

• 600

• 645

• 710

Multiple Choice

A car traveled a distance of 385 kilometers over 7 hours. What was the average speed of the car, in kilometers per hour, during this time?

(Speed = distance / time)

• 38.5

• 55

• 70

• 85

​Wrap-Up:

​It takes Monica 20 minutes longer to paint a rectangular canvas that measures 25 inches by 20 inches than it takes her to paint a canvas that measures 20 inches by 15 inches. If she paints the two canvases at the same rate per square inch, how long does it take her to paint both canvases?
A. 60 minutes
B. 70 minutes
C. 80 minutes
D. 90 minutes

Multiple Choice

It takes Kyle 20 minutes longer to shovel the snow off a rectangular driveway that measures 30 feet by 20 feet than it takes him to shovel a rectangular driveway that measures 20 feet by 20 feet. If he shovels the two driveways at the same rate per square foot, how long does it take him to shovel both driveways?

• 75 minutes

• 80 minutes

• 90 minutes

• 100 minutes