if 18 is 45% of value, what is that value
the value is 40to find the value divide 18 by .45 (45%=.45)
percent is parts out of 100 so 45%=45/100=9/20'of' means multiply18 =9/20 times somethingmultiply both sides by 20/9 to clear fraction360/9=something40=somethingthe value is 40
