Răspuns :
[tex]x\cdot\frac{110}{100}\cdot\frac{110}{100}=50\\
\\
\Rightarrow\;x=\frac{50\cdot100\cdot100}{110\cdot110}=500000:12100\approx41,32\;lei[/tex]
y*110/100 =50 ; y =50*110/100 =45.45
x *110/100 =45.45 ; x =45.45*100/110 =41.318 lei
x *110/100 =45.45 ; x =45.45*100/110 =41.318 lei