SOLUTION: A RECTANGULAR CHALK BOARD IS 3 TIMES AS LONG AS IT IS WIDE. iF IT WERE 3 METRES SHORTER AND 3 METRES WIDER, IT WOULD BE A SQUARE. wHAT ARE THE DIMENSIONS OF THE CHALK BOARD?

Question 74301: A RECTANGULAR CHALK BOARD IS 3 TIMES AS LONG AS IT IS WIDE. iF IT WERE 3 METRES SHORTER AND 3 METRES WIDER, IT WOULD BE A SQUARE. wHAT ARE THE DIMENSIONS OF THE CHALK BOARD?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Call the width x
The length will then be 3x
It is given that

The sides are width = 3, length = 9
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