the ratio of your federal income tax is state income is 10 to 3.how much is your state income tax if your federal income tax is $2000?
[math\frac{10}{3}=\frac{x}{y}[/tex] where x is your federal and y is your state ...so we have $\displaystyle \frac{10}{3}=\frac{2000}{y}$ solving we get $\displaystyle x=600$