5 workers can load 100 bricks on a tractor in 1 hour. if the same job is to be done only 2 workers. how long would it take?
5 workers can load 100 bricks on a tractor in 1 hour. if the same job is to be done only 2 workers. how long would it take?
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Verified answer
5 workers : 100 bricks : 1 hour (given)
Find the time needed for 1 worker:
1 worker : 100 bricks : 1 x 5 hour
1 worker : 100 bricks : 5 hours
Find the time needed for 2 workers:
1 worker : 100 bricks : 5 hours
2 workers : 100 bricks : 5 ÷ 2 hours
2 workers : 100 bricks : 2.5 hours
Answer: 2 workers need 2.5 hours
If 1 Worker load 100 brick. =1x5 hrs
If 2 Worker load 100 brick. =5/2 hrs
=2.5 hrs
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