Bill drives his car 10 mph faster on the way home from work than he does going to work in rush hour. If it takes him 1 hrs. going and half an hour returning, how far away is his work?

Answer 1

v
v+10

d = v*1
d = (v+10)*.5
so
v = .5 v + 5
.5 v = 5
v = 10
d = v*1 = 10 miles

Answer 2

Thank you.

Answer 3

You are welcome :)