Question

how many envelopes of size 15cm × 20cm can be made of paper of size 4m × 6m? ​

Answer 1

first convert the size of the paper into cm

therfore , 4m = 400cm 6m = 600 cm

area of the paper is = L×B
= 400×600 = 240000

area of 1 envelope = L×B
= 15×20 = 300

to find number of envelopes that can be made
= area of paper / area of 1 envelope
= 240000 / 300 = 800

therefore 800 envelopes can be made from one paper

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Answer 2

Answer:

800

Step-by-step explanation:

0paper required for 1 envolope=300 cm square

Total area of paper=(4*6)10000= 240000

So no. If envolopes= 240000/300=800