% / 100 = is / of, so you have % / 100 and 16/23. you cross multiply, which the numbers are 2300=16x. then you divide both sides by 16 to get x by itself. the answer is 143.75 . you can plug it in if you don't believe me. 143.75 / 100 = 1.4375 and 23/16 = 1.4375