Question

comic books cost $2 each and magazines cost $4 each. can you buy 13 comic books and 1 magazine and spend exactly $30? the cost of 13 comic books and 1 magazine is exactly $30. write this solution as an ordered pair, (c, m). 2c + 4m = 30 2·13 + 4·1 ? 30 26 + 4 ? 30 30 ? 30 ( )

Explanation:

Step1: Identify variable definitions

$c$ = number of comic books, $m$ = number of magazines

Step2: Match values to variables

Given 13 comic books and 1 magazine, so $c=13$, $m=1$.

Step3: Form ordered pair

Ordered pair format is $(c, m)$.

Answer:

$(13, 1)$