emmanuelgamer71r emmanuelgamer71r 03-02-2021 Mathematics contestada Jose is two years older than half his sister's age. Jose is 12 years old. Which equation can be used to find the age of Jose's sister. A. 2a+2=12 B. a-2=1/5(12) C. 1/2 (2a-2)=12 D. 1/2a+2=12