Let the number of comic books be X if we add 14 to X = 24 so we will find the value of X to get half initial number of comic books William had. 14+X=24 X=24-14 X=10 so the total innitial number of comic books William had is 10+10=20 books.
80 is 60% of 133.333 repeating, or rounded to 133. You can find this by doing 80 / 60 = 1.333 repeating. Then, you would do 1.333 x 100 = 133.333 repeating.