SOLUTION: One person walks 1 mph faster than another. If the faster person can walk 12 miles in the same time as the other can walk 9 miles. How fast is each walking?
Solve and show the
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Question 331734: One person walks 1 mph faster than another. If the faster person can walk 12 miles in the same time as the other can walk 9 miles. How fast is each walking?
Solve and show the equation. Answer by mananth(16946) (Show Source):
You can put this solution on YOUR website! let one of them walk at x mph he walks 9 miles
the other walks at x+1 mph. he walks 12 mile
they take same time
..
time = distance / speeed
9/x = 12/x+1
9(x+1)=12x
9x+9=12x
12x-9x=9
3x=9
x=3 mph
the other 4 mph
