Help! I'm having trouble translating this into an equation.

A motorcycle traveling at 60 miles per hour overtakes a car traveling at 40 miles per hour that had a head start. How far from the starting point are the two vehicles?

Question

Help! I'm having trouble translating this into an equation.

A motorcycle traveling at 60 miles per hour overtakes a car traveling at 40 miles per hour that had a  head start. How far from the starting point are the two vehicles?

anonymous · Answer

That is, a three hour head start

anonymous · Answer

If anyone can check my work, ended up with 360 miles.

60x=40x+4800
20x=4800
x=240
240+120=360

anonymous · Answer

http://www.algebra.com/algebra/homework/word/travel/Travel_Word_Problems.faq.question.186697.html ^ that link has the explination and the answer.