Răspuns:
x/4 a cheltuit la piata
x-x/4=3x/4 rest
3x/4·1/3+12=3x/12+12=x/4 +12 -a cheltuit la hala
x/4+x/4+12+88=x
x+x+48+352=4x
400=4x-2x
400=2x
x=400:2=>x=200 lei suma initiala
200:4=50 lei a cheltuit la piata
200-50=150 rest
150:3+12=62 lei a cheltuit la hala