Question

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?

Answer 1

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

Answer 2

If 5 Workers load 100 brick =1hrs
If 1 Worker load 100 brick. =1x5 hrs
If 2 Worker load 100 brick. =5/2 hrs
=2.5 hrs

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