Question

How many envelopes can be made out of the sheet of the paper 125 cm by 85 cm supose each envelope required a piece of paper of size 17 cm by 5cm

Answer 1

ATQ
let no. of envelopes be x
so ,
x*17*5=125*85
x=
$\frac{125 \times 85}{17 \times 5}$
=125 envelopes

Answer 2

Hey dear :D

First find the area of the the paper n one envelope, then divide them.

Ur solution is here...

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Dimensions of the paper = 125 cm × 85 cm

Area = l × b

= 125 cm × 85 cm

= 10625 cm²

Dimensions of envelope = 17 cm × 5 cm

Area = l × b

= 17 cm × 5 cm

= 85 cm²

No. if envelopes that can be formed = 10625 / 85 = 125

Ans. = 125

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Hope it helps!!! ^^