Quale percentuale di 20 è 4?
Risposta:
#color(green)(20%)#
Spiegazione:
supporre #x%# of #20# is #4#
Cioè
#color(white)("XXX")x/100 xx 20 = 4#
or
#color(white)("XXX")x/5=4#
#rarrcolor(white)("XXX")x=4xx5 = 20#
So #20%# of #20# is #4#
#color(green)(20%)#
supporre #x%# of #20# is #4#
Cioè
#color(white)("XXX")x/100 xx 20 = 4#
or
#color(white)("XXX")x/5=4#
#rarrcolor(white)("XXX")x=4xx5 = 20#
So #20%# of #20# is #4#