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:
32
Step-by-step explanation:
Answer:x = 3
X =9/3
X=3
so stella is right if thats what you ae asking
12 times 12 is 144 and plus 8 is 152
