20. what percent of 392 is 98? 22. 33% of what number is 145? 24, 17 is 40% of what number?

20)

if we take 392 to be the 100%, what is 98 off of it in percentage?



22)

let's say is "x", so if "x" is the 100%, and we know that 145 is the 33%, what the dickens is "x"?



24)

again, if we take "x" to be the 100%, and we know that 17 is 40%, what is "x"?