Răspuns:
Explicație pas cu pas:
[tex]\\\frac{p}{100} * 112 = 28\\\\\frac{112*p}{100} = 28\\\\112*p = 28*100\\\\112*p = 2800\\\\p = 2800 : 112\\\\p = 25[/tex]
112*p/100=28 ; p=28*100/12=25 ; 25%
