Question

a bricklayer lays 210 bricks in 3 hours hoe long will it take for him to lay 840 bricks

Answer 1

hey
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more the no of bricks, more the time will be taken, it is the case of direct proportion

210 bricks layed in 3 hrs
1 brick layed in 3/210 hrs = 3/70 hrs
840 bricks layed in 3/70*840 = 36 hrs

hence ans is 36 hrs

hope helped
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Answer 2

HEY MATE HERE IS YOUR ANSWER

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Given :-

A bricklayer lays 210 bricks in 3 hrs.


Therefore,

1 brick = 210/3 = 3/70

840 bricks = 3/ 70 × 840 = 36

Therefore,

840 bricks will be laying in 36 hours.

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