Answer:
x = 180 - (31 + 40)
Step-by-step explanation:
x = 180 - (31 + 40)
Answer:

Step-by-step explanation:

So you would do is take 3,500 and multiply it by 4% to get 140
Answer:
1000?
10x10x10x10?
don't really get it, but prob the second one.
The cost of one slice of mushroom pizza is $2.00 dollars. This is solved by subtracting the equations:
X = cheese pizza
Y = mushroom pizza
(3X + 4Y = 12.50)
- (3X + 2Y = 8.50)
______________
2Y = 4.00
Y=2 or a slice of mushroom pizza is $2.00.