Susan had $50 to spend at the carnival. She spent $12 on food and twice as much on rides. How many dollars did she have left to spend?<spanclass=′latex−bold′>(A)</span>12<spanclass=′latex−bold′>(B)</span>14<spanclass=′latex−bold′>(C)</span>26<spanclass=′latex−bold′>(D)</span>38<spanclass=′latex−bold′>(E)</span>50