If it is assumed that 60 percent of those who receive a questionnaire by mail will respond and 222 responses are needed, what is the minimum number of questionnaires that should be mailed? Select the correct option.
A) 280	B) 370	C) 460	D) 550	E) 640
Let x be the minimum number of questionnaires to be mailed.   0.6x = 222   x = 370   The answer is 370.
<result>B</result>
If it is assumed that 60 percent of those who receive a questionnaire by mail will respond and 222 responses are needed, what is the minimum number of questionnaires that should be mailed?