a table cover 4m*2m is spread on the table if 25cm of table cover is hanging all around the table find area of table top and the cost of polishing table top at ₹25 per square metre
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=4m=400cm =length
=2m =200cm =breadth
=area of the table=?
=length of the table top = 400cm - (25cm + 25cm)
=400-50 =350 cm =3.5m
=breadth of the table top= 200cm - (25cm+ 25cm)
=200 - 50 =150cm = 1.5m
=area of the table top = length ×breadth
= 3.5m×1.5m =5.25m^2
=the rate to polish the table = ₹25/m^2
= 5.25m^2 ×25= ₹ 131.25
terefore the cost to polish the table top = ₹ 131.25
=2m =200cm =breadth
=area of the table=?
=length of the table top = 400cm - (25cm + 25cm)
=400-50 =350 cm =3.5m
=breadth of the table top= 200cm - (25cm+ 25cm)
=200 - 50 =150cm = 1.5m
=area of the table top = length ×breadth
= 3.5m×1.5m =5.25m^2
=the rate to polish the table = ₹25/m^2
= 5.25m^2 ×25= ₹ 131.25
terefore the cost to polish the table top = ₹ 131.25
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