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:
X
=
27
Step-by-step explanation:
It has two solutions.
The first solution is x = -7
The second solution is x = 1
Hope this helps!
Answer:
the area of the 2in. one is 4in.²
the area of the 3in. one is 9in.²
the area of the 6in. one is 36in.²
Step-by-step explanation:
the formula for area of a square is a²