Julie is preparing a speech for her class. Her speech must last between one-half hour and three-quarters of an hour. The ideal rate of speech is 150 words per minute. If Julie speaks at the ideal rate, which of the following number of words would be an appropriate length for her speech?<spanclass=′latex−bold′>(A)</span>2250<spanclass=′latex−bold′>(B)</span>3000<spanclass=′latex−bold′>(C)</span>4200<spanclass=′latex−bold′>(D)</span>4350<spanclass=′latex−bold′>(E)</span>5650