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OpenStudy (anonymous):
The excursion boat on the river takes 2½ hours to make the trip to a point 12 miles upstream and to return. If the rate at which the boat travels in still water is 5 times the rate of the river current, what is the rate of the current?
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OpenStudy (anonymous):
x= Current rate Boat in Still water =B= (2.5)(B-x)=24 B=5x
OpenStudy (anonymous):
2.5B-2.5x=24 B=5x Using Subsitution 2.5(5x)-2.5(x)=24 Solve for x
OpenStudy (anonymous):
2.4?
OpenStudy (anonymous):
Yes
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