Find the downstream distance

Reference no: EM13204335

(rate)(time)=Distance or RT=D. There for T =D/R. The time for both trips is the same so D1/R1=D2/R2. Let C =rate of current. We can let R1 = downstream which is 15mph for the boat+C for the current or 15+C. R2 is upstream so its rate is 15-C. The downstream distance, D1 is 12 miles, and the upstream distance D2 is 9miles. Substitute these values in the ratio above and solve for C. Leave answer in fraction form.

Reference no: EM13204335

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