Answer:
D. 14
Explanation:
Write the expression (explanation)
9 per hour= 9xh= 9h
and= addition
6 each delivery= 6xd=6d
more than= >
Final expression you need to solve
9h+6d>155
how many hours?: 8 hours
9(8)+6d>155
solve for d
72+6d>155
6d>83
d>~13.83
He cannot make less than 13.83, so you would round it up to 14.