A family takes 2 1/2 hour to drive from their house to a lake at 48mi/h. the travel time varies inversely with the speed of the car. how long will the return trip take at 40 mi/h?

Question

Asa Gordon

Mathematics

31 May, 06:38

A family takes 2 1/2 hour to drive from their house to a lake at 48mi/h. the travel time varies inversely with the speed of the car. how long will the return trip take at 40 mi/h?

+1

Answers (1)

Know the Answer?

Toodles · Answer 1

If it takes 2 1/2 hours going 48 mph we can figure out how many miles it was with

2 1/2*48=120

they went 120 miles to the lake

now they are going back the 120 at 40 mph

120/40=3

it took 3 hours for the return trip