Pen are bought at 12 for a rupee and sold at 9 for a rupee . Find the gain%
Answers
Cost Price (C.P) of 12pens = 12x
Selling Price (S.P) of 9pens = 9x
C.P = S.P
12x = 9x
This can be written as,
S.P = C.P
12x = 9x
Gain = 12x - 9x = 3x
Gain% = Gain/C.P*100 = 3x/9x*100 = 33.33%
Step-by-step explanation:
Let the price of pens be "x" instead of one rupee.
Let the price of pens be "x" instead of one rupee.Cost Price (C.P) of 12pens = 12x
Let the price of pens be "x" instead of one rupee.Cost Price (C.P) of 12pens = 12xSelling Price (S.P) of 9pens = 9x
Let the price of pens be "x" instead of one rupee.Cost Price (C.P) of 12pens = 12xSelling Price (S.P) of 9pens = 9xC.P = S.P
Let the price of pens be "x" instead of one rupee.Cost Price (C.P) of 12pens = 12xSelling Price (S.P) of 9pens = 9xC.P = S.P12x = 9x
Let the price of pens be "x" instead of one rupee.Cost Price (C.P) of 12pens = 12xSelling Price (S.P) of 9pens = 9xC.P = S.P12x = 9xThis can be written as,
Let the price of pens be "x" instead of one rupee.Cost Price (C.P) of 12pens = 12xSelling Price (S.P) of 9pens = 9xC.P = S.P12x = 9xThis can be written as,S.P = C.P
Let the price of pens be "x" instead of one rupee.Cost Price (C.P) of 12pens = 12xSelling Price (S.P) of 9pens = 9xC.P = S.P12x = 9xThis can be written as,S.P = C.P12x = 9x
Let the price of pens be "x" instead of one rupee.Cost Price (C.P) of 12pens = 12xSelling Price (S.P) of 9pens = 9xC.P = S.P12x = 9xThis can be written as,S.P = C.P12x = 9xGain = 12x - 9x = 3x
Let the price of pens be "x" instead of one rupee.Cost Price (C.P) of 12pens = 12xSelling Price (S.P) of 9pens = 9xC.P = S.P12x = 9xThis can be written as,S.P = C.P12x = 9xGain = 12x - 9x = 3xGain% = Gain/C.P*100 = 3x/9x*100 = 33.33%