Homework Help: maths

Posted by ishmal ahmed on Friday, January 11, 2013 at 4:13am.

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?

maths - Steve, Friday, January 11, 2013 at 10:15am
3b+2c+p = 320
2b+3c+4p = 230

c + 2b = 210
b - p = 100
subtract and you have

c+b+p = 110

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