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The total expense of a boarding house are partly fixed and
partly variable with the number of boarders. The charge is
Rs.70 per head when there are 25 boarders and Rs.60 when
there are 50 boarders. Find the charge per head when there
are 100 boarders?

Question Posted / sabarish

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The total expense of a boarding house are partly fixed and partly variable with the number of boar..

Answer / sabarish

let x be fixed charge and y be the variable charge

x+25y = 25*70 = 1750 ---------- 1.
x+50y = 50*60 = 3000 ------------2.

solving (1) & (2).

x=500 and y = 50

let a be charge per head for 100 boarders

500 + 50 * 100 = 100 * a

solving we get a = 55 .

Is This Answer Correct ?    22 Yes 1 No

The total expense of a boarding house are partly fixed and partly variable with the number of boar..

Answer / abdul

20kmph

Is This Answer Correct ?    1 Yes 5 No

The total expense of a boarding house are partly fixed and partly variable with the number of boar..

Answer / jensi

Rs.40

Is This Answer Correct ?    0 Yes 10 No

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