Question

How many envelopes can be made out of a sheet of paper 125 cm by 85 cm , supposing one envelop requires a piece of paper of size 17 cm by 5 cm ?​

Answer 1

Step-by-step explanation:

Area of sheet of paper = l×b

= 125×85

Area of envelope = l×b

= 17×5

No. of envelopes = (area of sheet of

paper) ÷ (area of

envelope)

= (125×85)÷(17×5)

= 125 evelopes

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Answer 2

Given length of the sheet of paper = 125 cm Also given that breadth of the sheet of paper = 85 cm Area of a sheet of paper = Length x Breadth = 125 cm x 85 cm = 10,625 cm2 Length of sheet required for an envelope = 17 cm Breadth of sheet required for an envelope = 5 cm Area of the sheet required for one envelope = Length x Breadth = 17 cm x 5 cm = 85 c m2 Thus, required number of envelopes = 10,625/85 = 125