Question

6. Mrs. Johnson just purchased a total of 12 books

and magazines for her office. The total bill was
$112. She spent $ 16 on magazines, and the books
cost $12 each. How many books did she buy?


What is the equation

Answer 1

x+y=12

12x+16y=112

Explanation:

112-16=96

12x=96

x=8

------------

12-8= 4

Mrs. Johnson bought 8 books and 4 magazines

Answer 2

Mrs. Johnson purchased a total of 8 Books and 4 Magazines.

Explanation:

(112 - 16) / 12 = B (Books)

96 / 12 = B

B = 8

M (Magazines) = 12-8

M = 4