a man sold 18 toys for rs . 27300 , gaining thereby the cost price of 3 toy find the cost price of a toy
"let the cost of one toy = x . then , cost of 18 toys = 18 x . gain = 3 x . sp of 18 toys = rs . 27300 . gain = sp â € “ cp 3 x = 27300 â € “ 18 x 21 x = 27300 x = rs . 1300 . answer : option e"
divide(27300, add(18, 3))