Problema Solution
Tom and his grandfather live 12 miles apart. If Tom walks 4 miles an hour and his grandfather walks 3 miles an hour, then how much sooner than tom should his grandfather leave if they are to meet each other at the halfway point at hte same time
Answer provided by our tutors
3a=6
a=2 hours
4b=6
b=3/2 hours
2 hours -3/2 hours = 1/2 hour sooner