Answer:
The Answer is B.
Step-by-step explanation:
$52
3 books → $13
1 book → $13/3
12 books → $13/3 x 12 = $52
(3M)
HOPE IT HELPS
THANK YOU
Answer:64
4c+5
(c-4)+(3c+9)=c-4+3c+9=c+3c-4+9=4c-4+9=4c+5