An 8-oz of orange juice contains about 97 mg of vitamin C. About how many milligrams of vitamin C are there in a 12-oz can of orange juice?

Respuesta :

8/97 = 12/x.....8 oz to 97 mg = 12 oz to x mg
cross multiply
(8)(x) = (97)(12)
8x = 1164
x = 1164/8
x = 145.5 (or 145 1/2) mg