Question

Aflati cat la suta reprezinta: 13 din 65
stiu ca e usoara dar nu am înteles formula :'(

Answer 1

ALBATRAN TRANSLATE


Limba ROMANA   Limba MATEMATICA
 cat........................ x
 la........................../
suta.........................100

reprezinta..................=
13...............................13
 din................................/
65..................................65


x/100=13/65




13/65=x/100
1/5=x/100
x=100*1/5
x=20

13/65=20/100 ⇔13 reprezinta 20/100 din 65⇔13 reprezinta 20% din 65
as percentage  as that!!!