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

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Solution

Length of rectangular hall be $l$
Given,breadth $= b$ and length $= 3 b - 4$
$∴ l = 3 b - 4$

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Question 1(b)

Answer the following:

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

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Question 13

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$\begin{matrix} B r e a d t h o f t h e h a l l (i n m e t e r s) & 10 & □ & 40 L e n g t h o f t h e h a l l (i n m e t e r s) & 25 & 50 & □ \end{matrix}$

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its length. If the area of the hall is

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square metres, what is the difference between the length and breadth of the hall?

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

Length of rectangular hall be l Given,breadth =b and length =3b−4∴l=3b−4

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

Length of rectangular hall be $l$
Given,breadth $= b$ and length $= 3 b - 4$
$∴ l = 3 b - 4$