For every 2.2 pounds of body weight, Luis should be eating approximately 75-100 kcalories and 1-2 grams of protein. Additionally, he should be eating fats and carbohydrates in a ratio of 3:1, with 3 grams of fats for every gram of carbohydrates and protein combined. Luis weighs 22 pounds. How many grams of carbohydrates should he be eating in a given day

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.