For the special Thanksgiving edition of the local newspaper, a reporter wrote a heartwarming piece. In the piece there appeared figures on the number of turkey dinners served by various local charities. The histogram below summarizes the data. Use the histogram to answer each of the questions. Frequency (Number of charities) 10- 9- 8- 74 6+ 5- 3- 1. 90 to 139 140 to 189 190 to 239 240 to 289 Number of turkey dinners (a) What is the class width? (b) According to the histogram, what is the total number of charities? (c) How many charities served from 190 to 239 turkey dinners?

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