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Formation of an Expression

The length of...

Question

The length of a rectangular hall is 4 metre less than 3 times the breath of the hall. What is the length, if the breath is b metres.

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Solution

IF BREADTH=b meters
THEN LENGTH=4 meter less than 3 times than the breadth of the hall.
LENGTH=3b-4 meters
the length of the rectangular hall is=3b-4 meters

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