Answeyru
Step-by-step explanation:
Answer:
20 i think srry if wrong
12
4*x-9=2x+15
4x-9=2x+15
-2x -2x
2x-9=15
2x=24
x=12
D
Step-by-step explanation: 3x8=24 t-shirts
3x2=6 packs
24+6=30$