A middle school has 470 students. Regina surveys a sample of 40 students asked finds that 28 have cell phones now many students at the school are likely to have cell phones

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Answerthe simplified expression isexplanationthe given expression is,let us deal with the bracket first.the two negatives in the parenthesis will become positive.the expression now becomes,we now expand the parenthesis to get,we group like terms to obtain,this simplifies to,

7p=14 so then you would divide by p=2