Answer:
benny paid for 5 hours.
Explanation:
y=mx+b
M=8
B=18
Y=58
18+8x=58
subtract 18 on both sides
canceling out 18 alltogether leaving you Y as 40 then divied 40 by 8 on each side canceling out 8 and leaving you with the answer of X=5
hope this helps!!