Unit Test — Unit test Answers

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23

A science test, which is worth 100 points, consists of 24 questions. Each question is worth either 3 points or 5 points. If x is the number of 3-point questions and y is the number of 5-point questions, the system shown represents this situation.x + y = 243x + 5y = 100What does the solution of this system indicate about the questions on the test?

A
The test contains 4 three-point questions and 20 five-point questions.
B
The test contains 10 three-point questions and 14 five-point questions.
C
The test contains 14 three-point questions and 10 five-point questions.
D
The test contains 20 three-point questions and 8 five-point questions.
24

The sum of two numbers is 28. The first number, x, is three times the second number, y.

A
A system of equations. x plus y equals 28. x equals 3 plus y.
Option A
B
A system of equations. x y equals 28. x equals 3 y.
Option B
C
A system of equations. x y equals 28. x equals 3 plus y.
Option C
D
A system of equations. x plus y equals 28. x equals 3 y.
Option D

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