Each Ounce of Substance a Supplies of the Required

Multiple Choice

Each ounce of substance A supplies of the required nutrition a patient needs. Substance B supplies of the required nutrition per ounce and substance C supplies of required nutrition per ounce. If digestive restrictions require that substances A and C be given in equal amounts and that the amount of substance B be one-fifth of these other amounts, find the number of ounces of each substance that should be in the meal to provide 100% nutrition. ​

A)
B)
C)
D)
E)