Answer:
2 omg dat was to hard
Step-by-step explanation:
Sorry I am not good at math either
X-12=20
x=20+12
x=32
answer is 32
Answer: M= 3/5
Step-by-step explanation: 3/5x=3= M=3/5
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