Răspunsuri

2014-03-23T11:32:12+02:00
A, b - numerele cerute
a+b=475
 \frac{a}{b} =  \frac{2}{3}
 Rezulta b= \frac{3a}{2}
a(amplificat cu 2) +  \frac{3a}{2} = 475
 \frac{5a}{2} = 475
 \frac{5a}{2} = 475
5a = 950
a =  \frac{950}{2}
a = 190
b = 475 - 190
b = 285


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