The Central hall of a school is 22 m long and 15.5 m wide . A carpet is to be laid on the floor leaving a strip of 75 am width from the walls uncovered . find the area of the carpet and the areas of the strip left uncovered.
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Step-by-step explanation:
Areaofcarpet
=
4
5
×14.75
=18.4375m
2
areaofstrip
15.5×2−18.437=12.563m
2
costofcarpet
=
100
(200−82)
×
100
(1550−82)
×18
=Rs.5612.49
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