ms4370369
Answered

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The cost price of a box and a pen isRs 120 The box is sold at lo% profit and the pen is sold at 10% loss. If the selling price of the box is Rs 52 more than that of the pen, calculate the profit or loss percent in a whole.​

Sagot :

Answer:

profit of 3.33%

Step-by-step explanation:

mhanifa

Answer:

  • 3.33%

Step-by-step explanation:

  • Cos of Pen = p
  • Cos of Box = b
  • b + p = 120
  • 1.1b - 0.9p = 52

Solve the system by substitution:

  • p = 120 - b
  • 1.1b - 0.9(120 - b) = 52
  • 1.1b + 0.9b = 52 + 108
  • 2b = 160
  • b = 160/2
  • b = 80

Find p:

  • p = 120 - 80 = 40

Total profit or loss:

  • 80*1.1 + 40*0.9 - 120 = 4 (profit as positive)

Profit percent:

  • 4/120*100% = 3.33%
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