Respuesta :
Answer:
I want to say 19.5 months
Step-by-step explanation:
30+20=50
420-50=370
370÷20=18.5
18.5 plus the initial month is 19.5 months
Answer:
I want to say 19.5 months
Step-by-step explanation:
30+20=50
420-50=370
370÷20=18.5
18.5 plus the initial month is 19.5 months