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profit on the dead
(a) A man bought two books for Rs 1040. He sold one at a loss of 15% and other at a profit of
36%
then he found that each book was sold for the same price. Find the cost price of each book.​

Respuesta :

mhanifa

Answer:

640 and 400

Step-by-step explanation:

Cost of books: x and 1040 -x

x sold at a loss of 15%= 0.85 x

1040 -x sold at  a profit of 36% = (1040 - x)*1.36

  • x*0.85= (1040-x)*1.36
  • 0.85x+1.36x= 1040*1.36
  • 2.21x= 1414.4
  • x= 1414.4/2.21
  • x= Rs. 640
  • Rs. 1040 - x= R. 400

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