# Pre-Algebra

The treasurer of the student body at a college reported that the receipts from a recent contact totaled \$916; Furthermore, he announced that 560 people had attended the concert. Students were charged \$1.25 each for admission to the concert, and adults were charged \$2.25 each. How many adults attended the concert?

1. 👍
2. 👎
3. 👁
1. a+c = 560
2.25a + 1.25c = 916

now just solve for a

1. 👍
2. 👎
2. 23

1. 👍
2. 👎

## Similar Questions

1. ### Algebra

the table shows the results of a survey of college students. find the probability that a student's first class of the day is a humanities class, given the student is female. First class of the day for college students male female

2. ### KIPP Believe

The student-to-faculty ratio at a small college is 17:3. The total of students and faculty is 740. How many faculty members are there at the college? How many student?

3. ### statistics

Thirty percent of the students in a high school face a disciplinary action of some kind before they graduate. Of those students, 40% go on to college. Of the 70% who do not face a disciplinary action, 60% go on to college. What

4. ### statistics

The IQ of 100 college students in XYZ univ are found to be normally distributed where mean is 105 and standard deviation is 8. If the student IQ score is 90, what is the probability that another student randomly slected has an IQ

1. ### Math

In a survey of 300 college graduates, 58% reported that they entered a profession closely related to their college major. If 6 of those survey subjects are randomly selected without replacement for a follow-up survey, what is the

2. ### Math

The combined math and verbal scores for students taking a national standardized examination for college admission, is normally distributed with a mean of 620 and a standard deviation of 220. If a college requires a student to be

3. ### math/Do not understand

At a local college,153 of the male students are smokers and 357 are non-smokers. Of the female students,145 are smokers and are 355 non-smokers. A male student and a female student from the college are randomly selected for a

4. ### math

A college student takes a standardized test and scores a 163. If the mean is 155 and the standard deviation is 7, what is the studentâ€™s percentile rank? (Assume a normal distribution.)

1. ### statistics

Suppose that the test scores for a college entrance exam are normally distributed with a mean of 450 and a standard deviation of 100. If a student is selected at random what is the probability that the student will score above

2. ### Physics Problem

While running, a 70.0 kg student generates thermal energy at a rate of 1200 W. To maintain a constant body temperature of 37.0 C, this energy must be removed by perspiration or other mechanisms. If these mechanisms failed and the

3. ### Statistics

The age distribution of students at a community college is given below. Age (years) Number of students (f) 11) Over 35 26 1103 A student from the community college is selected at random. Find the conditional probability that the

4. ### Math

The box office sold 360 tickets to a concert at the college. The total receipts were \$4,170. General admission tickets cost \$15 and student tickets cost \$10. How many of each kind of ticket was sold? This is what I was doing