Answer:
3.875 or 3 7/8 gallons of paint.
Step-by-step explanation:
There are 8 pints in a gallon.
31/8 = 3.875
Answer: 9x+18
30 units
$37.8125
$2.75 x 12.5 = 34.375
34.375 x 10% = 3.4375
$34.375 + 3.4375 = 37.8125