Wade has 1/2 pound of silver he makes 10 medallions from the silver if he uses the same amount in each Medallion how much silver is used in one Medallion represent the problem on the number line

Ashley spent half of her lunch money on a turkey sandwich. then she spent two-thirds of the money she had left on a bottle of juice and the rest of the money on a cookie. if the cookie cost $.75, how much lunch money did ashley have to start with?