SOLUTION: Jim runs 2 mph faster than Joe. If they each run 12 miles, Jim finishes 30 minutes ahead of Joe. How fast is each person running?

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Question 1020508: Jim runs 2 mph faster than Joe. If they each run 12 miles, Jim finishes 30 minutes ahead of Joe. How fast is each person running?
Answer by josgarithmetic(39623) About Me  (Show Source):
You can put this solution on YOUR website!
           rate      time               distance

Jim        r+2       12/(r+2)             12

Joe        r         12/r                 12


30 minutes is %281%2F2%29%2Ahour.

highlight_green%28abs%2812%2F%28r%2B2%29-12%2Fr%29=1%2F2%29