Answer:
Step-by-step explanation:
Start with our equation:
s=2(lw+wh+hl)
Plug in our values for l, w, and h:
s=2(12*9+9*2+2*12)
Simplify:
s=300
She should leave $30. Hope it helps! If you could vote me brainiest, that would be awesome!
Step-by-step explanation:

Answer:
1.50S + 2.50P > 20
Step-by-step explanation: