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August 28, 2014

August 28, 2014

Posted by **TUHITUHI** on Saturday, October 20, 2012 at 10:44am.

- math -
**Reiny**, Saturday, October 20, 2012 at 12:49pmcost to buy = 100(20) = rs 2000

a profit of 15% is rs 300

so his return must be rs 2300

selling price of remaining apples --- rs x/kg

so...

.93(20)(40) + x(60) = 2300

60x = 2300 - 744

x = 25.93

check:

a loss of 7% ---> sold at .93(20) or 18.6

so 40(18.6) + 60(25.93) = 2299.8 , close enough

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