george went to a fruit market with certain amount of money . with this money he can buy either 50 oranges or 40 mangoes . he retains 10 % of the money for taxi fare and buys 10 mangoes . how many oranges can he buy ?
"let the amount of money be 200 let cost of 1 orange be 4 let cost of 1 mango be 5 he decides to retain 10 % of 200 = 20 for taxi fare , so he is left with 180 he buys 20 mangoes ( @ 5 ) so he spends 100 money left is 80 ( 180 - 100 ) no of oranges he can buy = 80 / 4 = > 20 so , george can buy 10 oranges . c"
multiply(subtract(subtract(const_1, divide(10, const_100)), divide(10, 50)), 50)