Question

Problema matematica, ex.3. Va rog..

Answer 1

[tex] \frac{a+b}{2} =102.5 [/tex]
$a+b=102.5*2$
$a+b=205$
$\frac{a}{b}=0.64b$
$<span>0.64b+b=205$
$<span>1.64b=205$
$b=125$
$<span>a+125=205$
$a=80$
$M_{g}= \sqrt{125*80} = \sqrt{10000} = 100$