It means that if u subtract idk lol
To answer this you need to figure out what 30% of the total number of carbs need to be whole-grain. Multiply 0.3 times 220 to get 66 grams. He did not meet his goal. Because he only ate 5 g, this is 61 less than he needs to meet his goal.
7^2+18^2=49+324
49+324=373
19.31^2 would be your answer
