If there are x correct answers, then there are 24-x mistakes. So, you need to solve
50x - 100(24-x) = 300
A contestant on a quiz show gets 50 points for every correct answer and loses 100 points for each incorrect answer. After answering 24 questions, the contestant has 300 points. How many questions has the contestant answered correctly? Incorrectly?
Use models, pictures, diagrams, and/or symbols to represent and solve the task situation and select an effective strategy to solve the task. You may attach other files if needed. (SHOW ALL WORK)
1 answer