how many envelops of size 25cm X 15cm can be made from a rectangle sheet of size 4 m x 1.2m?
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0
Answer:
yes
Step-by-step explanation:
25×15=375
4×1.2=2.8 m
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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 .
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