Answer:
$20 dollars and $10 dollars per hour
Explanation:
the line starts at 20 and it escalates by 10 ( 10,20,30,40,50,ect)
i just had a question like this and i'm in middle school, i tried to look for the answer on here but no one answered so when i took time to answer the problem i got it right on the first try.. anyway i hope this helps .!