Question

Your motorboat can move at 30 km/h in still water. What is the minimum time it will take you to move 12 km downstream in a river flowing at 6.0 km/h

Answer 1

We have that the Time  is mathematically given as

t=0.33h

From the question we are told

• Your motorboat can move at 30 km/h in still water.
• What is the minimum time it will take you to move 12 km downstream in a river flowing at 6.0 km/h

Time

Generally the equation for the Time   is mathematically given as

$t=\frac{d}{va+vb}\\\\Therefore\\\\t=\frac{12}{30+6}$

t=0.33h

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