Question

How many envelopes of size 25 cm × 15 cm can be made from a rectangular sheet of size 4 m × 1 • 2 m?​

Answer 1

Step-by-step explanation:

length of rectangular sheet =4m =400cm

breadth of the sheet = 1.2m=120cm

area of sheet = l×b= 400×120=48000cm²

again, area of each envelope = 25×15=375cm²

now, no. of envelope which can be made =48000/375

=128 envelopes

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