by selling oranges at the rate of Rs. 72per dozen, a women losses 10%of her investment. what would be the percentage of her gain or loss, if she sold them at rs 600 per hundred
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Let x be the cost price
(100%-10%)×x=72
90/100x=72
x=72×100/90
x=4×20
x=80
let the percentage be x
(100%+x%)×80=600
100%+x%=15/2
100/100+x/100=15/2
x/100=15/2-100/100
x/100=750/100-100/100
x=/100=650/100
x=65%
(100%-10%)×x=72
90/100x=72
x=72×100/90
x=4×20
x=80
let the percentage be x
(100%+x%)×80=600
100%+x%=15/2
100/100+x/100=15/2
x/100=15/2-100/100
x/100=750/100-100/100
x=/100=650/100
x=65%
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