Question 8
In a Science quiz, 35 questions were given. 3 points were given for each correct answer and 2 points were deducted for each incorrect answer. Tom’s score was 80. How many correct answers did he get?
**Editorial note for this self-study exercise:** Assume Tom answered all 35 questions, so every response was either correct or incorrect and none was blank.
**Editorial note for this self-study exercise:** Assume Tom answered all 35 questions, so every response was either correct or incorrect and none was blank.