SOLUTION: members of a hiking club hiked to an overnight campsite at the rate of 3 mph. The following morning they returned on horseback over the same route at 10 mph. The total time spent i
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Question 235770: members of a hiking club hiked to an overnight campsite at the rate of 3 mph. The following morning they returned on horseback over the same route at 10 mph. The total time spent in going and returning was 6 1/2 hrs. find the distance to the campsite.
I know d= r x t, but don't know what to use for rate. 3 mph or 10 mph?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
members of a hiking club hiked to an overnight campsite at the rate of 3 mph. The following morning they returned on horseback over the same route at 10 mph. The total time spent in going and returning was 6 1/2 hrs. find the distance to the campsite.
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Hiking DATA:
rate = 3 mph ; distance = x miles ; time = d/r = x/3 hrs
=======================
Riding DATA:
rate = 10 mph ; distance = x miles ; time = x/10 hrs
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Equation:
time + time = 13/2 hrs
x/3 + x/10 = 13/2
Multiply thru by 30 to get:
10x + 3x = 15*13
13x = 15*13
x = 15 miles (distance to the campsite)
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Cheers,
Stan H.
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