Pretty good so far its hard also.
Answer:
The answer is when they work 4 hours x=4
Step-by-step explanation:
510 + 80x = 650 + 45x
80x - 45x = 650 - 510
35x = 140
x = 140/35
x = 4 hours
Answer:

Given:
f(x) = 3x - 1
g(x) = x + 2
To Find:
(f - g)(x)
Step-by-step explanation:

3.5, y2-y1 / x2-x1 or rise/run
Answer:
3/4=ice cream
1/8=chocolate syrup
1/16=cherries
Total=3/4+1/8+1/16

Total cups =15/6=2.5 cups.
Hoped this helped!