3.
compare by same volume
A=300 per 1/2 cup
times 2
600 per 1 cup
B=500 per 1 cup
600>500
Product B has fewer calories per cup
4.
not sure, be more specific
well, times the number of servings by the number of grams of proteen per serving to get total grams of servings
5.
no, because apple juice has apples in it naturally
corn is not found in apples so high-gructose corn syrup should not be found in a product that he should buy
his mom doesn't want added stuff and corn is added so he shouldn't buy it
