Movie mania requires customers to pay a sign-up fee of $20, and charges $4.00 to rent a dvd. hurricane video is free to join, but dvds cost $6.00 to rent. write and solve an equation to find the number of dvds you would have to rent in order for both stores to charge the same. explain what your variable represents. answer choices in picture.

B

4n+20 Movie Mania
6n Hurricane so
4n+20=6n

4(10)+20=6(10)
40+20=60
60=60 check

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.