Răspuns :
x-pretul initial
10% din x= 10/100 * x= 1/10 * x= x/10 -scumpirea
x+x/10= (10x+x)/10= 11x/10-noul pret
11x/10=2200
x=10*2200/11
x=10*200
x=2000 lei
10% din x= 10/100 * x= 1/10 * x= x/10 -scumpirea
x+x/10= (10x+x)/10= 11x/10-noul pret
11x/10=2200
x=10*2200/11
x=10*200
x=2000 lei
100%+10%=110%
110%.........2200
100%...............x
_________________
x= [tex] \frac{100X2200}{110} = \frac{220000}{110} =2000[/tex]
110%.........2200
100%...............x
_________________
x= [tex] \frac{100X2200}{110} = \frac{220000}{110} =2000[/tex]