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the total expense of boarding house are partly fixed and
partly variable.the charge is rs 70 per head when there are
25 boarders and rs 60 when there are 50 boarders.find
charge per head when there are 100 boarders
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Answer Posted / yaswanth ram
x+25y=70*25=1750
x+50y=60*50=3000
solve the both
25y=1250
y=50
x=500
500+100*50=>5500/100=55
ans is 55
| Is This Answer Correct ? | 17 Yes | 0 No |
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