Answer: 0=-4.9t²+19.6t+24.5
Step-by-step explanation:

If you want to make 12 cookies (one dozen), you would use 3/8 cup of sugar because the original recipe requires twice that amount of sugar and also makes twice that amount of cookies.
Pretty sure that you got it right..
0.35*3.6=$1.26 Zack will pay $1.26 lbs of bannas
Hope this helped :DD