“If one is true, then two is true. But if two is true, then one is false. But if one is false, then two is false. But if two is false, then one is true. But if one is true then two is — Aaaaaaaaaa!” she suddenly screamed.
Sue looked up at her.
“Let’s get out of here,” said Joy.
Sue smiled. She hadn’t made any friends yet at Wayside, and she was glad that Joy was talking to her. “Good idea,” she said.
“We could go to my house and eat ice cream and draw pictures,” Joy suggested.
“Okay,” said Sue.
“And there’s a movie about turtles on television at three-thirty,” Joy added.
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Hints
All of the problems in this book can be figured out logically. However, if you’re stuck, here are some more hints to help you.
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Problem 3: s = 1.
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Problem 4: p = 0.
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Problem 5: s = 9.
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Problem 6: o does not equal 0.
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Problem 7: r = 0.
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Problem 8: s = 1.
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Problem 9: y = 1.
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Problem 10: d = 9.
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Problem 11: i = 9.