Answer:
w = 8 000
Step-by-step explanation:
5(w + 4 x [tex]10^{3}[/tex]) = 6 x [tex]10^{4}[/tex]
5w + 20 x [tex]10^{3}[/tex] = 6 x [tex]10^{4}[/tex]
5w = 40 000
