My Personal goal includes short-term and long-time goal. My short-term goal is find a job where can i used my knowledge and skills. While my long term goal is I want to become a professor. I maybe a little ambitious but I'm smart and I'm willing to work hard.
The answer is the 3rd one.
Since she needs 12 to make 3, to find the answer just divide 48 by 3 and the answer would be 16. she can make 16 backpacks with 48 zippers.