A painter charges $15.83 per hour, plus an additional amount for the supplies. If he made $143.72 on a job where he worked 4 hours, how much did the supplies cost?
A.
$35.93
B.
$90.40
C.
$80.40
D.
$63.32
Step-by-step explanation: 143.72 divided by 4 is 35.93. If he worked for 4 hours and had a total of 143.72 then you simply have to divided the total cost by hours worked