The first equation in the system of equations that models this situation is x + y = 70, where x represents the number of 2-point questions and y represents the number of 4-point questions. What is the other equation in the system? Enter the correct answer in the box. Substitute numerical values in the expression for A, B, and C.
2 answers:
Answer: (2x+4y=150) this is right
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Answer:
they were right
Step-by-step explanation:
The first equation represents the number of questions on the test. So, the second equation represents how much the questions are worth.
There are x of the 2-point questions, which have a total value of 2x points.
There are y of the 4-point questions, which have a total value of 4y points.
The test has an overall value of 150 points, so the second equation is 2x + 4y = 150.
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