All of the calandars at the bookstore are on sale this weekend for $5.75. if joanne bought $149.50 worth of calanders this weekend for gifts, how many calanders did she buy? explain how you got the answer

She brought 26

you divide the total $149.50 by the cost of the calendars

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.