Question

Roast Beef has 25 g of protein and 11 g of calcium per serving. A serving of mashed potatoes has 2 g of protein and 25 g of calcium. How many servings of each are needed to supply exactly 29 g of protein and 61 g of calcium?

Answer 1

1 serving of beef + 2 servings of potatoes.

Explanation:

1 serving of beef + 2 servings of potatoes

= 25 + 4 of protein and 11 + 2*25 g of calcium