You can
put this solution on YOUR website!Let

= the price of a book
Let

= the price of a magazine
given:
(1)

(2)

Multiply (2) by

and subtract
(1) from (2)
(2)

(1)

And from (2)
(2)

The magazines are 15 cents each and the books
are 25 cents each
check:
(1)

OK