Answer:
$514.50
Step-by-step explanation:
7+4+2+8=21
$12.25x21=$514.50
A. She can multiply the bottom equation by -4 and then add the equations to solve for h.
-4g - 15h = -17
4g - 20h = -52
Add them to get
-15h = -17
-20h = -52
From here, you can solve for h.
