- A8 hours
- B6 hours
- C5 hours
- D7 hours
Step-by-Step Solution
Downstream = 12 km/h; upstream = 12 − 6 = 6 km/h. Return time = 48 ÷ 6 = 8 hours.
Answer: A) 8 hours
A boat's downstream speed is 6 km/h more than its upstream speed. It takes 4 hours to go 48 km downstream. How long will the return trip take?
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