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OpenStudy (mg_s1994):
I will fan and medal!!!! In a marketing survey involving 1,000 randomly chosen people, it is found that 630 use brand P, 420 use brand Q, and 210 use both brands. How many people in the survey use brand P and not brand Q? Answer choices: 210 people 420 people 630 people none of these is it 420?
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OpenStudy (mg_s1994):
@acxbox22
OpenStudy (amistre64):
p - pnq
OpenStudy (amistre64):
in other words, just remove from p all of the stuff that it has in common with q
OpenStudy (amistre64):
630-210 is 420 yes
OpenStudy (mg_s1994):
thank you very much @amistre64
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OpenStudy (amistre64):
youre welcome
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