Question

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 = 24
3x + 5y = 100
What does the solution of this system indicate about the questions on the test?
O
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,

Answer 1

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

Explanation:

x+y=24

x=24-y

3(24-y)+5y = 100

72-3y+5y=100

2y-28

y=14

x+14=24

x=10