3) Jenny left school and traveled toward the ferry office at an average speed of 30 km/h. Paul left

three hours later and traveled in the opposite direction with an average speed of 30 km/h. Find

the number of hours Paul needs to travel before they are 150 km apart.

Question

Mathematics

Brooklynn Blevins

27 April, 14:39

3) Jenny left school and traveled toward the ferry office at an average speed of 30 km/h. Paul left

three hours later and traveled in the opposite direction with an average speed of 30 km/h. Find

the number of hours Paul needs to travel before they are 150 km apart.

+3

Answers (1)

Know the Answer?

Randy Alexander · Answer 1

By the 3rd hour, jenny must have covered 90kms

Paul covered 30kms after Jenny's 3rd hour and jenny still covered 30kms making a total of 150kms in the opposite direction. Therefore Paul needs not to cover additional hour so the answer = 0hour

3) Jenny left school and traveled toward the ferry office at an average speed of 30 km/h. Paul leftthree hours later and traveled in the opposite direction with an average speed of 30 km/h. Findthe number of hours Paul needs to travel before they are 150 km apart.

3) Jenny left school and traveled toward the ferry office at an average speed of 30 km/h. Paul left

three hours later and traveled in the opposite direction with an average speed of 30 km/h. Find

the number of hours Paul needs to travel before they are 150 km apart.