Respuesta :
Percents are always out of 100. Since you are finding 3 from 10, you need to divide 3 by 10. Take that answer and multiply it by 100 to get it into percent form.
percent means parts out of 100
3/10=x/100
times 100 both sides
30=x
30% is answer
3/10=x/100
times 100 both sides
30=x
30% is answer