SOLUTION: jack can row his boat 12 miles in the same time as it takes Jill to cover 36 miles in her motorboat.If Jill's boat travels 15 mph faster than Jack's boat then how fast is Jack rowi

Algebra ->  Rational-functions -> SOLUTION: jack can row his boat 12 miles in the same time as it takes Jill to cover 36 miles in her motorboat.If Jill's boat travels 15 mph faster than Jack's boat then how fast is Jack rowi      Log On


   

Question 1001427: jack can row his boat 12 miles in the same time as it takes Jill to cover 36 miles in her motorboat.If Jill's boat travels 15 mph faster than Jack's boat then how fast is Jack rowing his boat.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
            rates       time        distances
JACK          r          t            12
JILL         r+15        t            36


Basic uniform travel rates conform to RT=D for rate, time, distance. Create the system of equations for your example.