brooklynperry45 brooklynperry45

23-03-2022
Mathematics

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a railroad crew can replace 400 meters of rail in 5 days. How many kilometers can they replace in 20 days?

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akjlaurelsprings akjlaurelsprings

23-03-2022

Answer: 1.6 km

Step-by-step explanation:

If they can replace 400 meters in 5 days, that means they can replace 80 meters in 1 day, (400/5). So in 20 days, they will do 20x80 = 1600 meters. Since 1000 meters make one km, 1600/1000 = 1.6 km in 20 days

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