Answer:
6 inches per year/ 6;1
Step-by-step explanation:
30;5 can be simplified into a unit rate by dividing by 5. 30/5=6 and 5/5=1. So its 6 inches per one year
16*j+4
16+8*4
16+32
48
I would say B
5/2 or 2½ or 2.5
20/8 = 2.5
10/4 = 2.5