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iVinArrow [24]
3 years ago
14

Fran swims at a speed of 2.6 mph in still water. The Lazy River flows at a speed of 0.4 mph. How long will it take Fran to swim

1.1 mi​ upstream? 1.1 mi​ downstream?
Mathematics
1 answer:
BabaBlast [244]3 years ago
7 0

Answer:

Upstream = 0.5 hour.

Downstream = 0.366 hour.

Step-by-step explanation:

Speed of fram in still water (u) = 2.6 mph.

Speed of water (v) = 0.4 mph .

<h3>Time taken by fran to swim 1.1 mi upstream.</h3>

Speed upstream = u - v = (2.6 - 0.4)  mph = 2.2 mph

So the time taken = \frac{distance}{speed}  = \frac{1.1}{2.2} = 0.5 hour.

<h3>Time taken by fran to swim 1.1 mi downstream.</h3>

Speed downstream = u + v = (2.6 + 0.4) mph = 3 mph .

So the time taken = \frac{1.1}{3} =  0.366 hour .

<h2 />

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