Question

420 man had food provision for 35 days .After 10 days 70 man died due to epidemics.How long will the remaining food last.

Answer 1

Hi,

This is related to inverse proportion,

If two quantities are so related that an

increase in one causes a corresponding

decrease in the other ( or vice versa ) then

they are said to be in an inverse variation.

If two quantities x and y change such that

x × y = k ( constant )

According to the problem given,

420 men had food provision for 35 days.

After 10 days ,

Remaining food finishes 420 men for 25 days.

Number of men after 70 men died due to

epidemic = 420 - 70 = 350

__________________________
Men( x ) | days ( y )
__________________________
x1 = 420 | y1 = 25
__________________________
x2 = 350 | y2 = ?
__________________________

x2 × y2 = x1 × y1

350 × y2 = 420 × 25

y2 = ( 420 × 25 ) / 350

y2 = 30

Therefore

Remaining food last in 30 days.

I hope this helps you.

:)

Answer 2

Answer:

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Step-by-step explanation:

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