please math help

A test has twenty questions worth 100 points. The test consists of True/ False questions worth 3 points each and multiple choice questions worth 11 points each. How many multiple choice questions are on the test?

  1. 👍 0
  2. 👎 0
  3. 👁 102
asked by Wawen
  1. T/F ---- x
    multiple choice --- y

    x+y = 20 ----> y = 20-x
    3x + 11y = 100
    3x + 11(20-x) = 100
    3x + 220 - 11x = 100
    -8x = -120
    x = 15 and then y = 5

    There are 5 multiple choice questions

    1. 👍 0
    2. 👎 0
    posted by Reiny

Respond to this Question

First Name

Your Response

Similar Questions

  1. math

    A physics test has twenty questions worth 100 points. The test consists of true /false questions worth 3 points each and multiple choice questions worth 11 points each. How many multiple choice questions are on the test ?

    asked by Elizabeth on March 17, 2016
  2. Algebra

    An Algebra I test contains 30 questions. Some of the questions are worth 4 points each, and some are worth 2 points each. The total test is worth 100 points. Let f represent the number of questions worth 4 points and t, the number

    asked by lol on June 10, 2013
  3. math

    An Algebra I test contains 40 questions. Some of the questions are worth 4 points each, and some are worth 2 points each. The total test is worth 100 points. Let f represent the number of questions worth 4 points and t, the number

    asked by Cassie on June 30, 2014
  4. Algebra

    A test has 15 questions worth 100 points in total. The test consists of multiple choice questions, which are 4 points each, and open-response questions, which are worth 12 points each. How many multiple choice questions are on the

    asked by Anonymous on January 12, 2016
  5. Math

    I need help solving this math problem, please: Problem: Angela's math test had 100 multiple-choice questions. Each correct answer was worth 1 point, each incorrect answer was worth -2 points, and skipped questions were worth 0

    asked by Patti on October 6, 2008
  6. math help

    I need help solving this math problem, please: Problem: Angela's math test had 100 multiple-choice questions. Each correct answer was worth 1 point, each incorrect answer was worth -2 points, and skipped questions were worth 0

    asked by Patti on October 6, 2008
  7. math

    Your math test has 38 questions and is worth 200. points. The test consist of multiple choice questions worth 4 points each and open ended questions worth 20 points each. How many of each type of question are there?

    asked by Kim on February 2, 2016
  8. 8th Grade Algebra

    1) An exam will have 20 questions worth a total of 100 points. There will be True-False questions worth 3 points each and short essay questions worth 11 points each. Several students ask how many essay questions there will be, but

    asked by Jaida on February 25, 2009
  9. (Math) Help me solve this Pls.

    Write a linear system of equations that can be used to solve these problems. Then, solve to get your final answer 1. An exam worth 145 points contains 50 questions. Some of the questions are worth two points and some are worth

    asked by LadyPhantomhive on January 5, 2016
  10. Math

    A 100 point test contains a total of 20 questions. The multiple choice questions are worth 3 points each and the short response answer questions are worth 8 pints each. Write a system of linear equations that represents this

    asked by Steven on May 6, 2016

More Similar Questions