math

if 4/5 th strenght of a class is 80. what is the total strength of a class?

  1. 👍 0
  2. 👎 0
  3. 👁 125
  1. (4/5)x = 80
    x = 80(5/4) = 100

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. Math

    The class with the greatest mean sales in a spring fundraiser will win a prize. The mean for Eric's class is $148. The mean for Natalia's class is $152. Natalia's sales total $150. If Natalia moves to Eric's class, the mean for

  2. Algebra 1

    Sarah took the advertising department from her company on a round trip to meet with a potential client. A total of 9 people took the trip. She was able to purchase coach tickets for $380, and first class tickets for $1070. She

  3. Business

    In a frequency distribution, what is the number of observations in a class called? A. class midpoint B. class interval C. class array D. class frequency E. none of the above

  4. Statistics

    The relative frequency for a class is computed as: A. class width divided by class interval. B. class midpoint divided by the class frequency. C. class frequency divided by the interval. D. class frequency divided by the total

  1. PreAp Physics

    You are walking from your math class to your science class carrying a book weighing 112N. You walk 45 meters down the hall, climb 4.5 meters up the stairs and then walk another 40 meters to your science class. What is the total

  2. stats 101

    how do you find the lower class limit,upper class limit, class width, class midpoint, and class boundaries from a set of frequencies data

  3. 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

  4. programming

    Example Develop a pseudocode algorithm for a program that accepts each of the average marks of 10 students in a class and computes the sum and the average mark of the class. The program should display the average mark of the

  1. math

    Each student in a class contributed as many paise as number of student in the class.teacher contributed rs 13 to make total collection of rs 49.how many students were in the class?

  2. Math

    3.Max says there were 6 students wearing shorts in his math class. He is not sure how many people were in the class, total, but he thinks about one third of them were wearing shorts. A. What percent is closest to 1/3 ? Explain.

  3. Algebra

    There are three times as many people in the psychology class as in the art history class. there are 16 more people in the algebra class then the art history class The total enrollment of the three classes is 86. How many students

  4. Math

    the class with greatest mean.will win prize. the.mean of eric class of 148$. the mean of natalia class is $ 152 .natalia sales total is $150.if natalia moves to.eric class mean.of both classes increases... explain how

You can view more similar questions or ask a new question.