Sunny runs at a steady rate, and Moonbeam runs m times as fast, where m is a number greater than 1. If Moonbeam run to overtake Sunny a head start of h meteres, how many meters must Moonbeam run to overtake Sunny? ( Give your ansewr as an expression in terms of h and m.)

Hint : Let s be Sunny's rate. In terms of m and s, at what rate does Moonbeam catch up to Sunny?