At silver gym membership is $25 per month and personal training sessions are $30 each at fit factor membership is $65 per month and personal training sessions are $20 each and one month how many personal training sessions would sarah have to buy to make the total cost of the two gyms equal

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.

So confused right here i need it to be more clearer