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A science test, which is worth 100 points, consists of 24 questions. Each question is worth either 3 points or 5 points. Ifx is

the number of 3-point questions and y is the number of 5-point questions, the system shown represents this situation
x + y = 24
3x + 5y = 100
What does the solution of this system indicate about the questions on the test?
The test contains 4 three-point questions and 20 five-point questions.
The test contains 10 three-point questions and 14 five-point questions
The test contains 14 three-point questions and 10 five-point questions.
The test contains 20 three-point questions and 8 five-point questions
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User Plague
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1 Answer

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Answer:

The test contains 10 three-point questions and 14 five-point questions

Explanation:

y=24-x

3x+5(24-x)=100

3x+120-5x=100

-2x+120=100

-2x=-20

x=10

10+y=24

y=14

User Indragie
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