Question

x|a=y|b=z|c=t|a si x|a=5, calculati x+y+z+t, daca a+c+b+d=110

Answer 1

x/a = y/b = z/c = t/d = 5
x = 5a
y = 5b
z = 5c
t = 5d

x+y+z+t = 5a+5b+5c+5d = 5(a+b+c+d) = 5*110 = 550