A person sold a table at a loss of 12% and book at 19% profit. then he gains rs. 160 rs. profit, if he gains 12% profit on table and 16% loss on book. thus he has 40 rs. loss. find the cost of a book?
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lets take price of table and book be x and y. 0.19y-0.12x=160 and 0.16y-0.12x=40 I calculated loss and profit in each case got the following equations y=4000 ruppees and x=5000 ruppees so cost price of book is four thousand rupees
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Step-by-step explanation:
-12%T+19%B=160
12%T-16%B=40
3%B=200
B=20000/3= 6666.67 rs
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