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