6 workers can build a 120 metre road in 6 days.At the same rate,how long will it take for 15 workers to build a 150 metre road?
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Answer:
3 days
Step-by-step explanation:
All explained below, note one change at a step:
6 workers- 120 meters- 6 days
1 worker- 20 meters - 6 days
1 worker- 20/6=10/3 meters - 1 day
15 workers- 150/3=50 meters- 1 day
15 workers - 150 meters- 3 days
So the answer is 15 workers can build 150 meters of road in 3 days
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