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Sheet # 63 Critical Thinking

Name: _____________________ Date_____________

Show and explain your work. Draw pictures or make tables to explain your answer.

To make sure his son did well in math, his father told him one night he would give him 8 cents for every problem he got right in his homework, and deduct 5 cents for every one he missed. There were 26 problems on the homework assignment. The next evening, the father asked his son how much he owed him and the son said, "You owe me nothing, Pop, we're even!" How many problems did the boy do correctly?