Question

14 TOU.000
4. The cost of a rectangular plot of land at 600 per mº is 7.20.000. If the
length of this plot is 40 m. what is its breadth?
(1) 35 m (2) 30 m (3) 25 m (4) 20 m​

Answer 1

Answer:

Please see the attachment

Answer 2

Answer:

Option 2) 30m

Step-by-step explanation:

$\implies$ $A=\Large\frac{Total\:cost}{cost\:per\:m^{2}}$

$\implies$ $A=\Large\frac{7,20,000}{600}$

$\implies$ $\boxed{A=1200m^{2}}$

$\implies$ $A=l×b$

$\implies$ $1200=40×b$

$\implies$ $b=\Large\frac{1200}{40}$

$\implies$ $\large\boxed{b=30\:m}$

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