a+b+c=310 a) |____| +70
a=c+70 b) |____|____|____|____|
c=b:4...=>b=c x 4 c) |____|
------------------------- --------------------------------------
a=? b=? c=? (310-70):6
1a+4b+1c=310-70
(310-70):6=240:6
240:6=40
c=40 lei (are Iulia)
b=(c x 4)
b=40 x 4
b=160 lei ( are Raluca)
a=c+70
a=40+70
a=110 lei (are Daniela)
a+b+c=310
110+160+40=310
R=>Daniela=110 lei
Raluca =160 lei
Iulia = 40 lei