Question

John bikes at a speed of 10 miles per hour. His friend Brian is slower, his biking speed is only

8 miles per hour.

Today the boys went for a 20 miles trip, each boy was biking at his usual speed. How long did John wait for Brian at the finish line?

Answer 1

1/2 hours

Explanation:

Answer 2

I think John waited half an hour for Brian

Explanation:

20/10=2

20/8+2.5