Answer:
10
Step-by-step explanation:
Plugging in the values we get : 9/3 + 7
The easy part is simplifying:
(1) <u><em>9/3 (3)</em></u> +7
(2) 3+7 = 10
12 months in a year. So 18 months= 1 year and 6 months. Izzys dog is 10 1/2= 10 years and six months. Then subtract 1 year and 6 months by 10 year and six months and it would be exactly 9 years older.