Răspunsuri

2014-09-01T10:35:28+03:00
X-norma lunara

12% din x=  12/100 * x=  3/25 * x=   3x/25 -depasirea

x+3x/25= (25+3x)/25=28x/25 -a realizat depasind norma

28x/25=784

x=25*784/28

x=25* 28

x=700 -norma