SOLUTION: Helen and Angela started biking at the same time on opposite ends of a 61-km trail. The rate that Helen rode her bike exceeded the rate that Angela rode her bike by 3. At the end o
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Question 906641: Helen and Angela started biking at the same time on opposite ends of a 61-km trail. The rate that Helen rode her bike exceeded the rate that Angela rode her bike by 3. At the end of 2 hours, they were still 6 km apart. Find Helen's rate.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
61=2*(x+x+3)+6
55=2*(2x+3)
55=4x+6
49=4x
Angela x=49/4 =12.25 kph
Helen x+3=49/4+12/4=61/4=15.25 kph
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