The amount of vitamin c in the breakfast cereal varies directly with the serving size. If 1 and 1/4 cups of cereal provides 10% of the recommended daily value of vitamin c, what percent of the recommended daily value of vitamin c is in two cups of cereal?

Answer 1

10%/1.25 = x/2

Solve for x by multiplying both sides by 2 and then dividing by 1.25.

Answer 2

16%