How many cups of the frozen mixed vegetables would meet your daily need for Vitamin C? 2/3 cup
1 1/3 cups
2 2/3 cups

It would depend on the serving size of the frozen vegetables, but it would be close to 2/3 cups

You did not show us the image of the burger, but i shall try to answer as best i can.  when purchasing food, always consider the ingredients as well as the person who prepared it. consider if they were hygienic people or not, in case the burger was infected with bacteria. no mortal should place an infected burger into their mouth.