mathematics

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   Here are two stories: The initial freshman class at a college is 10% smaller than last year’s class. But then during the first week of classes, 20 more students enroll. There are then 830 students in the freshman class. A store

2. math help!!!!! Thanks

   Eighteen students in a class play baseball. Seventeen students in the class play baseball. Thirty students in the class play either or both sports. In a Venn diagram which one shows the number of students who play basketball and

3. basic statistics for the behavioral sciences

   there are 80 students enrolled in statistics. (a)you and 11 other earned the same score. what percent of the class received your score? (b)forty percent of the class received a grade of C. how many students received a C? (c) only

4. Business Math

   Lee and Fred are elementary school teachers. Fred works for a charter school in Pacific Palisades, California, where class size reduction is a goal for 2013. Lee works for a noncharter school where funds do not allow for class

1. Engineering

   40 new students come to a class each year. At the end of the year, 10% of the students leave the school, 30% stay in the class and repeat the next year, and 10% stay at the end of the second year and repeat the course. a) Set up

2. maths

   there are 104 students in class 10th and 96 students in class 9th in a school .in a house examination the students ate to be evenly seated in parallel rows such that no two adjacent rows are of the same class. (a) find the maximum

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   When a class took a math test, 15% of the class failed, 25% made some mistakes (but didn’t fail), and 24 students got perfect scores. How many students were in the class?

4. math

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1. Mathematics.

   The initial freshman class at a college is 10% smaller than last year’s class. But then during the first week of classes, 20 more students enroll. There are then 830 students in the freshman class.

2. Math

   Mr. Kushner's class is selling candles for a class trip. There are 18 students in his class in all. 3 students sell 5 candles. The number of students who sell 6 candles is 2 more than the number who sell 5 candles. 3 students sell

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   Last year, one fourth of the students in your class played an ninstrument. This year, 6 students joined the class. Four of the new students play an instrument. Now, one third of the students play an instrument. How many students

4. Math

   More than 18'students in an algebra class pass the first test. This is about three-fifths of the class. How many students are in the class? How do you know?

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