Question

12. 1400 labourers can finish the construction of a school in 80 days. How many more labourers
needed to construct the school in 20 days?​

Answer 1

Answer:

Step-by-step explanation:

We can use the method of proportion. This is the type of inverse variation.

Let no. Of labourers be x.

1400×80=20x.

X=(1400×80)/20

X= 5600

No. Of labourers mode required= 5600-1400

=4200

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