Respuesta :

65 x 13 : 100 = 8.45
percent means parts out of 100
what%=x%=x/100

'of' means multiply

what percent of 65 is 13 translates to
x/100 times 65=13
65x/100=13
times both sides by 100
65x=1300
divide both sides by 65
x=20
answer is 20%