Isnt it 10 hours because he was charged 25$ and he is charged 1 dllr per hour soo
The 15$ per month plus the 10hrs he used it which is 10$ then is 25$ soo he used it for 10hrs.
Answer:
9d = the cost of the tennisballs
Step-by-step explanation:
Answer:0.4
Step-by-step explanation:
