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OpenStudy (anonymous):
using quadratic formula... The speed of the current in a canal is 4mph. It takes twice as long for a houseboat to go 18 miles upstream as it does for it to go downstream. Find the speed of the boat in still water.
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OpenStudy (anonymous):
Not even sure how to write the problem to solve
OpenStudy (anonymous):
ohhhh maybe he got it 6.0 or -2.3
OpenStudy (anonymous):
oops 6.8
OpenStudy (mathmate):
18 miles /(s-4)=2*18/(s+4) Cross multiply and solve for s. The answer is quite a bit bigger than 6.8.
OpenStudy (anonymous):
he is stumped... scanning what he did so far
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OpenStudy (anonymous):
number 37
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