Math Quick Pla C Newt is feeding the tortolses at the reptile rescue farm. He had 320 ounces of 17 food and used of it to feed the tortoises. Which value is equivalent to the 20 portion of the food that is left? ​

Iagree that is the answer to the question

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.