The cost of 2 books and 2 magazines is $26. The cost of 1 book and 3 magazines is $27. How much does 1 magazine cost? Choose the correct choice.
A) 8	B) 5	C) 7	D) 4	E) 6
Let the cost of 1 book = x, let the cost of 1 magazine = y   2x + 2y = 26   x = (26 - 2y)/2   x = 13 - y   Again,   (13 - y) + 3y = 27   13 + 2y = 27   2y = 14   y = 7   Answer: 7
<result>C</result>
The cost of 2 books and 2 magazines is $26. The cost of 1 book and 3 magazines is $27. How much does 1 magazine cost?