# math

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floor of aroom is8mby 5m .area of border of carpet is 12 m squared.find width of border.

• math -

if border has width w,
40-(8-2w)(5-2w) = 12
w = 1/2

• math -

A carpet is placed in a hall leaving border of 2m wide all around the room. If the room is 18mlong and 12m wide find the area uncovered by the carpet?

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