Answer:
$480
Step-by-step explanation:
So first, you find how much he paid per hour which would be 80 * 5 = $400. Then, you have to add the tip in so you do $400 * 1.2 (or 120%) = $480.
C
b
4.75 rounds to 5 because the 7, 83 rounds to 80 because of the 3. 80*5=400
-7x+3y+3
(4-5+4)=3
(-2x-5x)=-7x
(-4y+7y)=3y