A merchant buys a number of oranges at 3 for 10 cents and an equal number at 5 for 20 cents. To "break even" he must sell all at:
<spanclass=′latex−bold′>(A)</span>8 for 30 cents<spanclass=′latex−bold′>(B)</span>3 for 11 cents<spanclass=′latex−bold′>(C)</span>5 for 18 cents<spanclass=′latex−bold′>(D)</span>11 for 40 cents<spanclass=′latex−bold′>(E)</span>13 for 50 cents