Answer:
2
Step-by-step explanation:
2 units between (-3,-2) and (-1,-2)
x= 13
x + 8 = 21
x + 8-8 = 21-8
x = 13
16/2 = 8
24/3 = 8
I want to say 19.5 months
30+20=50
420-50=370
370÷20=18.5
18.5 plus the initial month is 19.5 months
20
