Math

By 7:00P.M., 1/3 or the junior class has arrived at a school dance. By 8:09PM., 30 more juniors had arrived, raised attendance to 1/2 of the juniors class. How many people are in the juniors class?

I don’t understand.. can someone help?

A 30
B90
C120
D180
E240

  1. 0
  2. 1
asked by Jessica
  1. (1/3 c) + 30 = 1/2 c

    1. 0
    posted by Scott

Respond to this Question

First Name

Your Response

Similar Questions

  1. math

    Cierra arrived at her dance at 9:05. She waited in the classroom for 10 minutes and them the class began. If the class ended 1 hour 10 minutes later,at what time did the class end? A.10:15 B.10:20 C.10:25 D.10:30 C?
  2. English

    1. What club is she in at school? - She is in the school dance club. 2. What do dance club members do on Saturdays? - They come to the school gym and practice dance moves. 3. What will the club do next month? - The club will
  3. math

    5th grade class of 16 students, one-half of the student arrived at school early, one-fourth arrived on time, and one-eighth arrived late. how many students were absent.
  4. 4th grade

    In a fifth grade class of 16 students, one-half of the students arrived at school early,one-fourth arrived on time, and one-eight arrived late. On that day how many were absent? Solve using comparison bars.
  5. Quantiative Methods

    Western Family Steakhouse offers a variety of low-cost meals and quick service. Other than management, the steakhouse operates with two full-time employees who work 8 hours per day. The rest of the employees are part-time
  6. Algebra

    At Central High School, the sophomore class has 60 more students than the freshman class. The junior class has 50 fewer than twice the number of students in the freshman class. The senior class is three times as large as the
  7. Math 140

    To help pay for a class trip at the end of the senior year, the junior class at a high school invests $1800 from a fund-raiser in a 18-month CD paying 2.6% interest compound monthly. Determine the amount the class will receive
  8. math(help)

    please help me im completely clueless------------------------------1.Of the students in Rosalie’s dance class, 29 out of 59 have participated in dance class before. About how many of her students have participated in dance class
  9. SAT Math

    All of the students who took chemistry at Groveton High School last year were juniors or seniors, as shown in the table below. If 80% of the students who took chemistry passed, then what fraction of the students in the combined
  10. Math

    Practice Dividing by 7 For each dance style , the Step - Up Dance School offers the same number of classes each day . Use the table to solve each problem . (1 week=7 days) Show your work. Step-Up Dance School Dance Style. Number

More Similar Questions