Question

impartirea numarului 72 in parti direct proportionale cu 3,5,10

Answer 1

a+b+c =72
a/3=b/5 =c/10
a/3+b/5+c/10 =a+b+c /3+5+10 =72/18 =4

a/3 =4   ;a =3*4 =12
b/5 =4   ; b =5*4 =20
c/10 =4  ; c =10*4 =40
verif  ;   12+20+40 =72