Question: GET SOLUTIONS PROBLEM 29: Eight men can dig 150 ft of trench in 7 hours. Three men can backfill 100 ft of trench in 4

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PROBLEM 29: Eight men can dig 150 ft of trench in 7 hours. Three men can backfill 100 ft of trench in 4 hours. How long will it take 6 men to dig and fill 200 ft of trench, in hours? a. 16.445 b. 12.345 c. 15.765 d. 14.875 PROBLEM 30: A boat takes 2/3 as much time to travel downstream from C to D, as to return. If the rate of the river's current is 8 kph, what is the speed of the boat in still water? a. 40 kph b. 38 kph c. 41 kph d. 39 kph

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