Asked by Paige
There is a 100 point test with 38 questions. The test has 2 point questions, and 5 point questions. How many 5 point questions and 2 point questions are there?
Answers
Answered by
Susan
2 pt questions plus 5 point questions = total questions
x+y = 38
2x+5y = 100 total points
mult first equation by -2 and add to the second equation
3y = 24
y =8, there are 8 5 pt questions
and 30 two point questions
x+y = 38
2x+5y = 100 total points
mult first equation by -2 and add to the second equation
3y = 24
y =8, there are 8 5 pt questions
and 30 two point questions
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