Question

dau coroana va rog frumos

Answer 1

x=suma initiala
x·1/3=x/3 =cheltuiala 1 
x-x/3=3x/3-x/3=2x/3 =rest
2x/3 · 1/4=x/6 = cheltuiala 2
2x/3-x/6=4x/6-x/6=3x/6=x/2=rest
x/2· 1/5+34=x/10+34=cheltuiala 3
x/3+x/6+x/10+34+110=x
x/3+x/6+x/10+144=x
10x+5x+3x+4320=30x
18x+4320=30x
12x=4320
x=4320:12=360 lei suma initiala