SOLUTION: A woman can bicycle 76 miles in the same time as it takes her to walk 20 miles. She can ride 7 mph faster than she can walk. How fast can she walk?
Using as your variable to re
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Question 454871: A woman can bicycle 76 miles in the same time as it takes her to walk 20 miles. She can ride 7 mph faster than she can walk. How fast can she walk?
Using as your variable to represent the rate at which she walks, write an equation using the information as it is given above that can be used to solve this problem. Equation: ?
She walks ? MPH.
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
Walk speed B x mph
Riding speed A 7 faster
Walk speed 20 miles
ride 76 miles
Walk speed time = ride time
20 /x=76 /(x+7)
cross multiply
20(x+7)= 76x
20x+140=76x
76x-20x =140
56x=140
/56
x=2 1/ 2 mph Walk speed
9.5mph Riding speed
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