7, 14, 21, 28, 35, 42, 49... 7 cars will need. to be washed to reach $49
Answer:

Step-by-step explanation:
We can use substitution to find the value of
:




Hope this helps :)
Answer:
9 years old
Step-by-step explanation:
Answer:
48
Step-by-step explanation:
120 divided by 2.5 = 40