Răspuns :
Răspuns:
Explicație pas cu pas:
x/3 = y/7 = z/5
x = 3y/7
z = 5y/7
x + y + z = 135
3y/7 + y + 5y/7 = 135
3y/7 + 7y/7 + 5y/7 = 135
15y/7 = 135
y = 7*135/15 = 63
x = 3*63/7 = 27
z = 5*63/7 = 45
Răspuns:
Explicație pas cu pas:
x/3 = y/7 = z/5
x = 3y/7
z = 5y/7
x + y + z = 135
3y/7 + y + 5y/7 = 135
3y/7 + 7y/7 + 5y/7 = 135
15y/7 = 135
y = 7*135/15 = 63
x = 3*63/7 = 27
z = 5*63/7 = 45