At the 2021 Winnebago County Fair a vendor is offering a ”fair special” on sandals. If you buy one pair of sandals at the regular price of $98, you get a second pair at a 40% discount, and a third pair at half the regular price. Javier took advantage of the “fair special” to buy three pairs of sandals. What percentage of the $294 regular price did he save?

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.