Algebra IA ENR - Distance, Rate and Time

Ned made a trip to his cabin on the lake and back. The trip there took six hours and the trip back took four hours. What was Hank's average speed on the trip there if he averaged 30 km/h on the return trip?

• 25 km/h

• 20 km/h

• 16 km/h

• 10 km/hr

Tags

CCSS.7.EE.B.3

CCSS.7.EE.B.4

CCSS.7.RP.A.3

Bella drove to her cabin on the lake and back. The trip there took five hours and the trip back took three hours. She averaged 14 km/h faster on the return trip than on the outbound trip. Find Bella's average speed on the outbound trip.

• 35 km/h

• 21 km/h

• 10 km/h

• 25 km/h

Tags

CCSS.HSA.CED.A.1

A passenger plane made a trip to Las Vegas and back. On the trip there it flew 432 mph and on the return trip it went 480 mph. How long did the trip there take if the return trip took nine hours?

• 10 hours

• 5 hours

• 15 hours

• 20 hours

Tags

CCSS.8.EE.C.7B

Arianna left the White House and traveled toward the capital at an average speed of 34 km/h. Autumn left at the same time and traveled in the opposite direction with an average speed of 65 km/h. Find the number of minutes or hours Autumn needs to travel before they are 59.4 km apart.

• 36 minutes

• 6 hours

• .06 hours

• 40 minutes

Tags

CCSS.7.EE.B.3

CCSS.7.EE.B.4

A submarine left Hawaii two hours before an aircraft carrier. The vessels traveled in opposite directions. The aircraft carrier traveled at 25 mph for nine hours. After this time the vessels were 280 mi. apart. Find the submarine's speed.

• 5 mph

• 10 mph

• 15 mph

• 20 mph

Tags

CCSS.7.EE.B.3

CCSS.7.EE.B.4

Justin was on a train going from Chicago to St. Luis.  Caden was on a train heading from St. Loius to Chicago. They pass each other after Caden was on his train for 10 hours and Justin was on his train for 15 hours.   We know that Justin's train was traveling 5 mph faster than Caden's.  It is 500 miles from Chicago to St. Luis.  How fast was Caden's train traveling?

• 18 mph

• 22 mph

• 30 mph

• 15 mph

Tags

CCSS.HSA.CED.A.1