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Addy is taking a test with multiple choice and True/False questions. On the test, Addy got a total of twenty questions correct. Addy gets five points for correct multiple-choice answers and one point for each correct True/False answer. She earned 76 points on the test. How many multiple-choice questions and how many True/False questions did Addy get correct?

Addy Is Taking A Test With Multiple Choice And TrueFalse Questions On The Test Addy Got A Total Of Twenty Questions Correct Addy Gets Five Points For Correct Mu class=

Sagot :

5x+1y=76
x+y=20

x+y=20
-x -x
y=-x+20

5x+1y=76
5x+1(-x+20)=76
5x-x=56
4x=56
X=14

14+y=26
-14 on both sides
y= 12

So Addy got 14 multiple choice correct and 12 true/false questions correct.
Addy got 14 multiple choice correct and 12 true and false questions right
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