Question

George și Iulian au adunat 1800 nuci George a adunat de cinci ori mai mult Cate nuci a adunat fiecare

Answer 1

x=nr nuci George
y=nr nuci Iulian
x+y=1800
x=5y
____
x,y=?
____
x+y=1800
5y+y=1800
6y=1800
y=1800:6
y=300(nuci Iulian)
x=5y=5 • 300 = 1500(nuci George)

Answer 2

G   /---------/---------/---------/---------/---------/
I     /---------/
1800:6=300
G=300x5
G=1500 nuci
I=300 nuci
1500+300=1800 nuci