Răspuns :
1 carte =1/3*24=24/3=8 lei
Banii ramasi: 24-8=16
1/4*16=16/4=4 lei
Andrei mai are: 24-(8+4)=24-12=12 lei
Banii ramasi: 24-8=16
1/4*16=16/4=4 lei
Andrei mai are: 24-(8+4)=24-12=12 lei