单项选择题

Questions 14-16 refer to the following graphs.

In 1990, twice as many boys as girls at Adams High School earned varsity letters. From 1990 to 2000 the number of girls earning varsity letters increased by 25% while the number of boys earning varsity letters decreased by 25%. What was the ratio in 2000 of the number of girls to the number of boys who earned varsity letters

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Directions: For the following question, consider each of the choices separately and select all that apply. Benjamin’s average (arithmetic mean) on the six biology tests he took last semester was 89. On each of his first five tests, his grade was between 90 and 100, inclusive. Which of the following could have been his grade on his sixth testIndicate all such grades.A. 15 B. 25 C. 35D. 45 E. 55 F. 85G. 75 [H] 85 [I] 95
单项选择题
C
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