If x has an arithmetic mean of 9 and a unique mode, list all possible sets of x. Explain your reasoning.

X = {a, b, c, 2, 8, 9, 10, 11, 16 }

and

1. A ninth grade classroom has 60% girls and the rest boys and another ninth grade classroom has 70% girls and the rest boys. A student claims that since there are more girls than boys in each classroom then there must be more ninth grade girls than ninth grade boys. Is the student’s statement correct? Give examples to support your answer.

Subject | Mathematics |

Due By (Pacific Time) | 10/13/2015 07:00 am |

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