SOLUTION: Jennifer Chan has just enough money to rent a canoe for 2 1/2 hours. How far out on the lake can she paddle and return if she paddles 3 km/h and back at 2 km/h?
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-> SOLUTION: Jennifer Chan has just enough money to rent a canoe for 2 1/2 hours. How far out on the lake can she paddle and return if she paddles 3 km/h and back at 2 km/h?
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Question 1003869: Jennifer Chan has just enough money to rent a canoe for 2 1/2 hours. How far out on the lake can she paddle and return if she paddles 3 km/h and back at 2 km/h? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Jennifer Chan has just enough money to rent a canoe for 2 1/2 hours. How far out on the lake can she paddle and return if she paddles 3 km/h and back at 2 km/h?
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Out DATA:
rate = 3 km/h ; distance = x km ; time = d/r = x/3 hrs
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In DATA:
rate = 2 km/h ; distance = x km ; time = d/r = x/2 hrs
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Equation:
x/3 + x/2 = 5/2 hrs
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2x + 3x = 15
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x = 3 km (distance out)
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Cheers,
Stan H.
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