The sum of three numbers is 3. the first number minus the second plus the third is negative −3. the first minus the third is 1 more than the second. find the numbers.

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?