PLEASE PLEASE HELP ME! Erin drinks one-half of a gallon of milk in four days. If she continues to drink the same amount every day, what is her daily rate of consumption?
A.18gallons/daily
B.27gallons/daily
C.78gallons/daily
D.2gallons/daily

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.