Respuesta :

is/of  x/100

40%/130 
x/100

Answer would be: 52
this is how I do it :) 


if it helps you any just translate 40% to .4 just do 40/100, there are two zeros in 100 so move the decimal of 40. over two places          40%=40/100=.4

130*.4=52 so therefore 52 is 40% of 130