Question

.A lady bought an air - conditioner for Rs. 15200 and spent Rs. 300 and Rs. 500 on its transportation and repair respectively. At what price should she sell it to make a gain of 15 %​

Answer 1

• So, we're given us the percentage profit, and they want the selling price.

`{ \rm{\%profit = (profit)/(selling \: price) * 100\%}} \\ \\ { \rm{15 = ((s.p - b.p))/(s.p) * 100}} \\ \\ { \rm{15 = \frac{(s.p - \{15200 + 300 + 500 \})}{s.p} * 100 }} \\ \\ { \rm{15 = (s.p - 16000)/(s.p) * 100 }} \\ \\ { \rm{15s.p = 100s.p - 1600000}} \\ \\ { \rm{85s.p = 1600000}} \\ \\ { \boxed{ \rm{s.p = 18824}}}`

• Answer : She must sell it Rs.18824