Answer:
85
Explanation:
The formula y = 15x + 10 is an important part of this question, and you must use it in Part c.
If you answer 5 questions correctly, your score, y, will be 15(5) + 10, or 85.
Your score would be 70 because 15(5) + 10 = 70
6.5m questions
8.7m answers