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if cost of 3 chocolates and 2 cookies is $350 and that of 2 chocolates and 3 cookies is $425, what is the cost of cookies?
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Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?
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if cost of 3 chocolates and 2 cookies is $350 and that of 2 chocolates and 3 cookies is $425, what i...
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