SOLUTION: A test has 20 questions worth 100 points. The test consists of true and false questions worth 3 points each and multiple choice questions worth 11 points each. How many true and fa

Question 829240: A test has 20 questions worth 100 points. The test consists of true and false questions worth 3 points each and multiple choice questions worth 11 points each. How many true and false and multiple choice questions are on
the test
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
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x = t/f
y = m/c
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x + y = 20
3x + 11y = 100
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copy and paste the above linear system in standard form into this matrix-method solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
---
solution:
x = t/f = 15
y = m/c = 5
---
Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
---
Solve quadratic equations, quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
---
Solve systems of linear equations up to 6-equations 6-variables:
https://sooeet.com/math/system-of-linear-equations-solver.php
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