1. Round the mixed number 511 / 12 to the nearest whole number.
2. The Public Broadcasting Service (PBS) provides programming to the noncommercial public TV stations of the United States. The bar graph shows a breakdown of the public television licensees by type. Each licensee operates one or more PBS member TV stations. What fraction of the public television licensees are universities or colleges?

3. The United States Marine Corps (USMC) has five principal training centers in California, three in North Carolina, two in South Carolina, one in Arizona, one in Hawaii, and one in Virginia. What fraction of the total USMC principal training centers are located in California? (Hint: First find the total number of USMC training centers.)

Publlc Televislon Llcensees 100 87 90 80 70 60 56 50 40 30 20 20 10 Type of Organization Number of Licensees Community organizations Univer sities/colleges State authorities Local education/ municipal authori ties