A market research group conducted a survey of 1000 consumers and reported that 720 cousumers liked product A and 450 cousumers liked product B. What is the least number must have lided both products?
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I think 170 is the ans
manu5505:
is it correct
then plz mark
plz
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170 is answer add 720 and 450 and then subtract it from 1000
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