Answer:
5 hours
Explanation:
2 first hours cost 4.00 which equals 8.00
Additional hours cost 1.50
So we know he already has to pay 8.00 for the first 2 hours
now you just subtract 8.00 from 12.50 which equals 4.50
If one hour is 1.50 Then 2 hours is 3.00 so we subtract 3.00 from 4.50 which equals 1.50 and 1.50 equalss another hour
y=4x+1.50