Answer:
50%
Step-by-step explanation:
This is essentially not a math question buth rather one of dietary reference and recommendeations. FAO gives the Estimated Average Requirement(EAR), as 0.5(50%). This figure is defined as the intake at which there's risk of inadequacy to an individual.
*View link below for more comprehensive information.
https://www.ncbi.nlm.nih.gov/books/NBK114332/
Step-by-step explanation:
5x + 2(11 - x) = - 5
5x + 22 - 2x = - 5
3x = - 5 - 22
3x = - 27
x = -27 / 3
x = 9
Therefore x = 9 .
I got 36
50% of 80 = 40
5% of 80= 4
40-4= 36
H is 3 . I used the formula for a cone