Question

twenty men can build a wall in 28 days. if 15 men join them. in how many days will the build the wall?​

Answer 1

Step-by-step explanation:

20 men can build wall in 28 days

15 more men join them so total number of men=35

then,20×28/35=16 days

Answer 2

Answer:

Step-by-step explanation:

twenty men build a wall= 28 days

1men buid= 28/20

15 men came so 20+15= 35 men

28/20*35

=16 days

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