Atotal of 528 tickets were sold for the school play. they were either adult tickets or student tickets. the number of student tickets sold was three times the number of adult tickets sold. how many adult tickets were sold?

X=number of adult tickets sold
y=number of student tickets sold

x+y=528
y=3x

x+3x=528
4x=528
x=132

132 adult tickets were sold and 396 student tickets were sold

 132 adult tickets were sold and 396 student tickets were sold

Hope this helped <3

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.