SOLUTION: Hyacinth hiked 7 miles from A to B at a rate of r mph. For the return trip her rate was 2 mph faster. It took her 6 hours for the entire round trip. Find Hyacinth's hiking rate.

Algebra ->  Functions -> SOLUTION: Hyacinth hiked 7 miles from A to B at a rate of r mph. For the return trip her rate was 2 mph faster. It took her 6 hours for the entire round trip. Find Hyacinth's hiking rate.      Log On


   

Question 1179491: Hyacinth hiked 7 miles from A to B at a rate of r mph. For the return trip her rate was 2 mph faster. It took her 6 hours for the entire round trip. Find Hyacinth's hiking rate.
Answer by josgarithmetic(39615) About Me  (Show Source):
You can put this solution on YOUR website!
                     SPEED      TIME     DISTANCE
Going                  r        7/r         7
Returning             r+2       7/(r+2)     7
TOTAL                            6

7%2Fr%2B7%2F%28r%2B2%29=6
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