Algebra

posted by .

Sunny received 90 on his math test. If he got x number of 3 point problems and y number of 5 point problems correct, write an equation for y in terms of x. Also write an equation for x in terms of y

  • Algebra -

    3x + 5y = 90

    y = (90-3x)/5
    x = (90-5y)/3

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Mat

    write the equation of the line passing through each of the given pairs of points. write yourresults in slope-interceptformwhere possible. (-1, 3) and (4, -2) get your slope I got m =(-2-3)/(4+1) = -1 pick one of the points and m=-1 …
  2. algebra

    janice noticed that the number of problems she did for homework (x) formed a linear relationship with her quiz score (y). When she did 3 problems she earned a 25% and when she did 8 problems she earned a 60%. Write an equation to represent …
  3. MATH

    I missed these problems on my test and I want to see how you would do them the correct way! 1. Write an equation in slope intercept form that is perpendicular to the following table and goes through the point (2,-3) X Y ------ 3 5 …
  4. Math

    Diane took a math test. The ratio of the number of problems Diane got incorrect to the number of problems she got correct was 2:7. If the test had 36 questions on it, how many problems did she get correct?
  5. Writing equations from a table

    Hiiii! My teacher gave out some practice problems to help prepare for the big upcoming tEst.. I just don't remember hiw to do fhese problems.. Irs just hard for me.. these are not graded, I just need help so I can (hopefully) ace the …
  6. Writing equations from a table

    Hiiii! My teacher gave out some practice problems to help prepare for the big upcoming tEst.. I just don't remember hiw to do fhese problems.. Irs just hard for me.. these are not graded, I just need help so I can (hopefully) ace the …
  7. geometry

    I would love for someone to check my work on the seven problems that I did. I would be eternally grateful. I am going to list my problems and answers. Even if you only want to check one of them, that would be great. 1. Write an equation …
  8. algebra homework help

    A student missed 8 problems on a Chemistry test and received a grade of 47%. If all the problems were of equal value, how many problems were on the test?
  9. algebra

    A student missed 11 problems on a Chemistry test and received a grade of 65%. If all the problems were of equal value, how many problems were on the test?
  10. algebra homework help

    student missed 11 problems on a Chemistry test and received a grade of 65%. If all the problems were of equal value, how many problems were on the test?

More Similar Questions