Question

Real-life Problems Question 10

Answer 1

a) It is given that

Everyday a machine makes 500000 staples and puts them into the boxes.

The machine need 170 staples to fill a box

One box contans = 170 staples.

Total number of staples = 500000

Number of box required to fill 500000 staples = Total number of staples/No. of staples 1 box contains.

`\: :\implies` 500000 /170

`:\implies \:` 2941 (approx)

Therefore, 2941 boxes are required to fill with 500000 staples.

b) It is given that,

Each staple is made of 0.21 g of metal .

Total weight of metal = 1 kg = 1000 g

1 staple = 0.21 g

Number of staples = weight of metal/ Weight of 1 staple.

`\: :\implies` 1000/0.21

`\: :\implies` 4761 (approximately)

Therefore, 4761 staples can be made from 1 kg of the metal.