how many envelopes can be made out of sheet of paper 125 cm by 85 cm supposing each envelope requires a pieces of paper of size 17 cm by 5 cm?
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Area of sheet of paper = lxb
= 125x85
Area of envelope = lxb
= 17x5
No. of envelopes = (area of sheet of of
paper) + (area
envelope)
= (125x85)÷(17x5)
= 125 envelopes
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