JACKSONVILLE, Fla. – On Nov. 3, voters will decide if they agree to pay a half-cent sales tax to help fund repairs to aging public schools in Duval County. If passed, the tax is expected to generate more than $2 billion for the school district. Here are answers to some common questions about the half-cent sales tax referendum:Why not use lottery money? Would any of the sales tax money go to school board or administrative salaries? How can the half-cent sales tax money be used?