The registrar reported that among 1300 students, 700 did not register for either a math english course, 400 registered for an english course, and 300 registered for both types of courses. a. how many registered for an english course but not a math course? b. how many registered for a math course? 6. a survey of 600 adults over age 50 found that 200 owned some stocks and real estate but no bonds, 220 owned some real estate and bonds but no stock, 60 owned real estate but no stocks or bonds, and 130 owned both stocks and bonds. how many owned none of the three? 7. in a survey of 250 business executives, 40 said they did not read money, fortune, or business week, while 120 said they read exactly one of these three and 60 said they read exactly two of them. how many read all three?