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Properties of Inequalities

A town has pr...

Question

A town has provision to last for $3$ weeks. Its population is $22400$ . How many people must be send away in order that the provision may last for $7$ weeks.

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Solution

Indirect portion
$\begin{matrix} 3 \times 22400 = x x = \frac{3 \times 22400}{7} = 9600 \end{matrix}$
$s o, 22400 - 9600 = 12800 p e o p l e m u s t b e s e n d a w a y .$

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