Question 998738: steve travels 4 times as fast as fred. traveling in opposite directions, they are 105 miles apart after 3 hours. find their rates of travel. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! steve travels 4 times as fast as fred. traveling in opposite directions, they are 105 miles apart after 3 hours. find their rates of travel.
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Steve DATA"
rate 4x ; time = 3 hrs ; distance = 3*4x = 12x miles
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Fred DATA:
rate = x ; time = 3 hrs ; distance 3x miles
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Equation:
dist + dist = 105 miles
12x + 3x = 105
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15x = 105
x = 7 mph (Fred's rate)
4x = 28 mph (Steve's rate)
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Cheers,
Stan H.
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