Answer :

voytek
[tex]25\% * 600 = 15\%*x[/tex]

[tex]x=600* \frac{0,25}{0,15} [/tex]

[tex]x=600* \frac{5}{3} [/tex]

[tex]x=1000 [/tex]
1000 :) 15% of 1000 is 150, which is 25% of 600