SOLUTION: How many metres of carpet 63cm wide will be needed to cover the floor of a room 14m by 9m.

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Question 935425: How many metres of carpet 63cm wide will be needed to cover the floor of a room 14m by 9m.
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!
carpet W=63cm wide,convert in meters:W=0.63m and find length using given data:
A=14m%2A9m
A=126m%5E2
A%5Bc%5D=W%2AL...since A same as area of the floor
126m%5E2=0.63m%2AL
126m%5E2%2F0.63m=L
L=200m ...the length we need to cover the floor of a room 14m%2A9m