When cooking, meat loses 2/5 of its mass. How many kilograms will the weight of 5 kg of meat decrease when it is cooked?

To answer the question of the problem, you need to know how many kilograms the meat loses during cooking. From the condition of the problem, the part of the mass that meat loses during cooking is known.

1. Let’s calculate how many kilograms the meat loses during cooking.

5 * 2/5 = (5 * 2) / 5 = 2 kilograms.

2. How many kilograms will the meat weigh after cooking?

5 – 2 = 3 kilograms.

3. By how many kilograms will the meat mass decrease during cooking?

5 – 3 = 2 kilograms.

Answer: Welding will reduce the mass of meat by two kilograms.