SOLUTION: Daniel leaves school and runs 5 miles to his friend's house where he had left his bike the previous day. After picking up his bike, he then rides a distance of 2 miles to his h

Question 1096309: Daniel leaves school and runs 5 miles to his friend's house where he had left his bike the previous day. After picking up his bike, he then rides a distance of 2 miles to his home. His running speed is 3 mph slower than his biking speed. His total running and biking time is 2 hours. What is Daniel's biking speed?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!

                      SPEED           TIME        DISTANCE

RUN                    r-3           5/(r-3)         5

BIKE                   r             2/r             2

Total                                 2

-------solve for r, for the answer to question.
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