Courtney's mother took her to story time at the public library. While there, Courtney could check out 2 Dr. Seuss books or 1 Sesame Street video. The library had 16 Dr. Seuss books and 25 Sesame Street videos. How many ways can Courtney make her choice

1. isolate the variable, in this case, d. subtract 35.5 on both sides of the equation.2. 52 subtracted by 35.5 is 16.53. therefore your answer would be d= 16.5this is the basics of pre algebra, isolating variable through adding, subtracting, multiplying, and dividing, if you have any other questions to ask just comment!