SOLUTION: A ferry leaves a harbor and travels to a resort at an average speed of 20 mph. On the return trip, because of fog, the ferry travels and average speed of 10 mph. The total time for

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Question 1136432: A ferry leaves a harbor and travels to a resort at an average speed of 20 mph. On the return trip, because of fog, the ferry travels and average speed of 10 mph. The total time for the trip is 6 hrs. How far is the island from the harbor
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
               SPEED         TIME       DISTANCE

GOING          20            d/20          d

RETURN         10            d/10          d

TOTAL                         6


Solve for d in d%2F20%2Bd%2F10=6.


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6%2A20%2F3
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