M = 21 - R is our equation. Plug your value of 12 into the equation for R.
M = 21 - 12.
M = 9.
Greg would have 9 magazines left after reading 12 of them
Answer: $0.38
Worded explanation:
4.94 divided by 13 equals 0.38, making your answer $0.38
Unworded explanation:
4.94/13 = 0.38
$0.38