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A boat has a speed of 5 mph in calm water. It takes the boat 3 hours to travel updtream but only 2 hours to travel the same distance downstream. Using the data in the table, what is the value of c, the
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A boat has a speed of 5 mph in calm water. It takes the boat 3 hours to travel updtream but only 2 hours to travel the same distance downstream. Using the data in the table, what is the value of c, the speed current?

User Pons
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2(5+c)=3(5-c)
solve for c
10+2c=15-3c
5c=5
c=1
User Eric Snyder
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