Samina spent 1\8 of her money to buy books ,1\5 to buy clothes or 1\10 give to charity, if she had still rupees 15 ,more than half of her money ,find the amount she originally had
original amount -- x
x - (x/8 + x/5 + x/10) = 15
x - 17x/40 = 15
40x - 17x = 600
23x = 600
x = 26.09 , correct to 2 decimals