contestada

Sony bought 80 pens at rs 12 each and sold 15 pens for rs 242 at what price must remaining pens be sold to gain 20% on whole transaction
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Respuesta :

prahladkutty9

Answer:

72 pens

Step-by-step explanation:

80*12 = 960

960*1.2 = 1152

242/15 = 16.1333333333

1152/16.1333333333 = 71.4049586778

71.4049586778 rounds up to 72 pens.

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