Answer:

Step-by-step explanation:
Given



Required
Determine the percentage of protein
First, we need to calculate the total:



Percentage of protein is calculated as thus:




Answer:
397/1000
Step-by-step explanation:
Mark ‼️ it brainliest if it helps you ❤️
For this case we have the following equation:

If we add 1 to both sides of the equation we have:

Dividing between 2 on both sides of the equation we have:

The graph of the solution is shown in the attached figure.
Answer:
See attached image