daily practice schedule children 2 and 1/2 pounds of water and on the way home she drank a half cup of water how much water did she drink and total of cups and ounces. Please I need help​

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.

That is right sorry i was gonna answer but i already saw his