Answer:
2x+6
Step-by-step explanation:
Your answer for your problem
The answer should be 390=60s, assuming s is the number of shelves he would need.
By the way, if you want the answer using this formula:
390=60s
390/60=s
6.5=s
s=6.5
Answer:

Step-by-step explanation:

Answer:
x should equal 0 and y is 2. x=0 y=2