Răspuns :
(2750-2299)/2750=x/100
451/2750=x/100
451/275=x/10
x=4510/275
x=902/55
x=16.4
cum era vorba de x/100
inseamna ca ieftinirea este16,4%
451/2750=x/100
451/275=x/10
x=4510/275
x=902/55
x=16.4
cum era vorba de x/100
inseamna ca ieftinirea este16,4%