Question

doi frati gemeni impreuna cu parinti lor cantaresc 238 kg.Copiii au acte 40 kg iar tatal are cu 14 kg mai mult decat mama.Cat cantareste mama?

Answer 1

-------40c
-------40c.
-------m+14 }238
-------m
m+t=238-80=158
158=m+m+14
m+m=158-14=144:2=72
m=72
t=72+14=86