Question

how many envelops of size 25cm X 15cm can be made from a rectangle sheet of size 4 m x 1.2m?​

Answer 1

Answer:

yes

Step-by-step explanation:

25×15=375

4×1.2=2.8 m

Answer 2

Answer

4.0/5

28

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Answer:

128

Step-by-step explanation:

Envelope size = 25cm×15cm

Area of envelope =  25cm×15cm = 375 sq.cm.

1 sq.cm = 0.0001 sq.m.

So, 375 sq.cm = 0.0001*375 =0.0375 sq.m.

Size of rectangular sheet from which the envelopes are made = 4m×1.2m

Area of rectangular sheet = 4m×1.2m= 4.8 sq.m.

So, no. of envelopes made from rectangular sheet :

=

=

=

Hence 128 envelopes can be made from rectangular sheet .