Question

a boat takes 5 hours to cover 40 km against the current. if the speed of the river current be 4 km/ hr then what is the actual speed of the boat
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Answer 1

Answer:

12 Km / hr

Step-by-step explanation:

40 Km in 5 hrs against the flow

40 ÷ 5 = 8 Km / hr against the flow

River water flow 4 Km/ hr

Actual speed of the boat = 8 + 4 = 12 Km/ hr