Greg calculated that he has to drive at least 50 miles per hour on the highway to get to his destination on time. What number like shows the solution to this code inequality? Jess chose C as the correct answer. How did she get this answer?

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.