The length of a rectangular hall is 4 metres less than 3 times the breadth of the hall. What is the length, if the breadth is $ b $ metres?

Given:

The length of a rectangular hall is 4 metres less than 3 times the breadth of the hall.

Breadth of the hall$=b$ m.
To do:

We have to find the length of the hall.

Solution:

Length of the hall$=3\times b-4$ m

$=3b-4$ m. 

Therefore, the length of the hall is $3b-4$ m.

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Updated on: 10-Oct-2022

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