Question

In a camp, the food stock is for 200 people for 45 days. If 50 more people join the camp then for how many days the food stock lasts?
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Answer 1

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Concept used by me to solve the problem is

☆ Unitary Method

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Let's see food stock under following circum :

For, 200 people ——————》45 days

1 people ———————》(45/200) days

$\frac{45}{200}$

When , 50 people will be added more to original strength, the number of people would become 250 , right !!

$250 \: people \: = \frac{45}{200} \times 250$

on calculating we get ,

$56.25 \: days$