how many kg of salt at 42 paise per kg must a man mixed with 25 kg of salt at 24 paise per kg so that he may ,on selling the mixture at 40 paise per kg.gain 25% on the out lay ?
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let x kg be the amount of salt...
cost price = 42x+24*25
selling price = 40(x+25)
profit = 25%
so
(SP - CP)/CP = 25%
=> 40x + 1000 - 42x - 600 = .25
on solving we get
x = 20kg
cost price = 42x+24*25
selling price = 40(x+25)
profit = 25%
so
(SP - CP)/CP = 25%
=> 40x + 1000 - 42x - 600 = .25
on solving we get
x = 20kg
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