Rates Time and Speed

Luke can paint 91 portraits in 7 weeks. How many portraits does he paint each week?

• 637 cars per week

• 13

• 0.08 portraits per week

• 13 portraits per week

Henry can write 5 ¼  pages of his novel in 3 hours. How many pages does he write per hour?

• 15.25 pages per hour

• 15.75 pages per hour

• 1.75 pages per hour

• not here

Ken can walk 40 dogs in 8 hours. Determine how many dogs he can walk in one hour.

• 5 hours per dog

• 5 dogs per hour

• 320 dogs per hour

• not here

Alicia drove at a constant speed and traveled 182.4 miles in 3 hours. What is her rate in miles per hour?

• 60.8 hours per mile

• 547.2 miles per hour

• 56 miles per hour

• 60.8 miles per hour

Dalila runs a 5K race at a steady rate of 11 kilometers per hour. Lulu starts a 10K race at the same time. She runs at the steady rate shown in the table. Who runs at a faster rate?

• Dalila

• Lulu

Jeff ran 6 miles in 4 hours. At this rate, how many miles will he run in 6 hours?

• 9 miles

• 4 miles

• 6 miles

• 36 miles

Mathematical Equivalence

ON

Tags

CCSS.MATH.CONTENT.7.RP.A.1

CCSS.MATH.CONTENT.7.RP.A.3

Jeff ran 6 miles in 4 hours. At this rate, how many miles will he run in 6 hours?

Mathematical Equivalence

ON

Suppose that a butterfly can fly 82 feet in 4 seconds.  A dragonfly can fly 50 feet in 2 seconds.  Which can fly faster and by how much?

• The dragonfly is 4.5 feet per second faster.

• The dragonfly is 20.5 feet per second faster.

• The butterfly is 4.5 feet per second faster. 

• The butterfly is 24 feet per second faster. 

Jerome went on a hike. He climbed three-fourths of a mile in two thirds of an hour. What was his hiking speed in miles per hour?