Question

3 calculators and 4 books cost £23
2 calculators and 3 books cost £16
Work out the price of a single calculator and a single book.
Price of a calculator =
Price of a book =

Answer 1

Answer:

Step-by-step explanation:

Let the calculators be C and the books be B.

3C + 4B = 23                   and                 2C + 3B = 16

3C = 23 - 4B                                           2(23 - $\frac{4B}{3}$) + 3B = 16

C = 23 - 4B                                             46 - $\frac{8B}{3}$ + 3B = 16

         3                                                    46 - $\frac{-8B + 3B }{3}$