Question

Problema 4 va rog dau coroana

Answer 1

a = m / 5 ;
m + 8 = 3( a + 8 ) ;
Atunci m = 5a si, 5a+ 8 = 3a + 24 => 2a = 16 => a = 8 ( alexandra are 8 ani ) ;
m = 40 ( mama are 40 de ani ) ;