SOLUTION: the length of a room is two and half time its width. if the perimeter of the floor of the room is 70m find the length & width of the room.
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Question 99687: the length of a room is two and half time its width. if the perimeter of the floor of the room is 70m find the length & width of the room.
Answer by doukungfoo(195) (Show Source): You can put this solution on YOUR website!
Ok first thing:
the perimeter of a rectangle is equal to the sum of all its sides.
this can be expressed as 2 times the length plus 2 times the width.
lets called the width x
Given: the length of a room is two and half times its width.
so the length equals
Given: perimeter equals 70 meters
Now we have everything we need to write a formula to solve for x (width)
So the width = 10 meters
To find length use
So the length = 25 meters
To check use the original formula
that is it
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