SOLUTION: A ferry leaves a harbor and travels to a resort island at an average speed of 20 mph. On the return trip, the ferry travels at an average speed of 12 mph because of fog. The total
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Question 396744: A ferry leaves a harbor and travels to a resort island at an average speed of 20 mph. On the return trip, the ferry travels at an average speed of 12 mph because of fog. The total time for the trip is 5 h. How far is the island from the harbor?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Going to island:
Returning from island
I also can say
hrs
-----------
The distance is the same going and coming, so
and
substituting:
hrs
and
hrs
---------------
the distance to the island is 37.5 mi
check:
mi
OK
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