PLEASE HELP ASAP!!!MATH

Here was my question
The mean height of 5 students is 59.4. If one of the students leaves, the mean height becomes 61. What is the height of the absent student?


Heres Bob's answer but what does set them equal mean?? SOMEONE HELP!

math - bobpursley, Wednesday, May 26, 2010 at 11:07pm
total height: 5*59.4
total height: 4*61+absentstudent
set them equal, and solve for absent student height.

  1. 👍
  2. 👎
  3. 👁
  1. 4*61 + absentstudent = 5*59.4

    1. 👍
    2. 👎
  2. is that the answer though? I am still not following because then that would mean the kids height was 542 ???so confused

    1. 👍
    2. 👎
  3. ok , let x = absentstudent

    4*61 + x = 5*59.4
    244 + x = 297
    x = 297-244
    x = 53

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. math Ms. Sue please

    3. Which of the following examples would show a negative trend? (1 point) height and weight of students test scores and height of students outside temperature and heating bill none of these Is the answer " test scores and height

  2. Math help!!!! Thanks in advance!!!!!!!!!!!

    Activity |Boys|Girls| Total Walk|3 |6 Bike| 5| 3 Skateboard 2 | 1 Total 1. How many students chose walking as their preferred method of transportation? 6 3 9 none of these 2. How many total students participated in the survey? 10

  3. math

    The stem-and-leaf plot shows the test scores of a science class. Use the plot to answer the question. 1.how many students scored 78? (1 point) 1 student 2 students 3 students 4 students

  4. Math (combination/permutation)

    Question 1: There are 12 students in a class. Find the number of ways that 12 studenets can take 3 different tests if 4 students are to take each test. Question 2 Find the number of ways 12 students can be partitioned into 3 teams

  1. Pre Calculus 12

    The height h, in metres, above the ground of a car as a ferris wheel rotates can be modelled by the function h(t) = 18cos(πt/80) +19 what is the minimum height of a car? do i like subtract 19 from 18 ? what is the maximum height

  2. Maths

    3. Which of the following examples would show a negative trend? A) height and weight of students B) test scores and height of students C) outside temperature and heating bill D) none of these 4. The scatter plot below shows the

  3. Math

    Mr. Moore is installing new work benches in the wood shop. He wants the height of the benches to be best for students standing and working on projects. He decides to use the mean height of the students in the school as a guide.

  4. Prob and Stats

    To estimate the mean height population of male students on your campus, you will measure and SRS of students. Heights of people the same sex and similiar ages are close to normal. You know from government data that the standard

  1. Math

    Mr. Moore is installing new work benches in the wood shop. He wants the height of the benches to be best for students standing and working on projects. He decides to use the mean height of the students in the school as a guide.

  2. Algebra

    Which of the following examples would show a negative trend? A.height and weight of students B.test scores and height of students C.outside temperature and heating bill D.none of these I think it is D....?

  3. statistics

    The mean height of students in a college is 155 cms and standard deviation is 15. What is the probability that the mean height of 36 students is less than 157 cms

  4. math

    The table shows the heights in inches of the students in Mr. Garrison’s class. Student Heights Height (inches) Number of Students 53 54 55 56 57 58 59 Mr. Garrison made this dot plot to show the heights of his students. The dot

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