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.
Answer:
It has 10 three-point questions and 14 five-point questions
Step-by-step explanation:
Substitution (look it up it takes a long time to explain lol)
Answer:
3 x 14.29 = 42.87 subtotal
42.87 x .0725 = $3.11 sales tax
Total is $ 45.98
Step-by-step explanation: