Asked by ishmal ahmed
if the price of 3 books,2 copies, 1 pen is 320, and the price of 2 books, 3 copies, 4 pens is Rs 230 then what is the price of 1 book, 1 copy and 1 pen?
Answers
Answered by
Steve
3b+2c+p = 320
2b+3c+4p = 230
c + 2b = 210
b - p = 100
subtract and you have
c+b+p = 110
2b+3c+4p = 230
c + 2b = 210
b - p = 100
subtract and you have
c+b+p = 110
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