Question

how do we find what percent of 45 is 72

Answer 1

what is 45% of 72

72/x=100/45
(72/x)*x=(100/45)*x       - we multiply both sides of the equation by x
72=2.22222222222*x       - we divide both sides of the equation by (2.22222222222) to get x
72/2.22222222222=x 
32.4=x 
x=32.4