Tennis challenge rule?

The 4th grade weekly math challenge is - what is Victor's rule?

  • The information given is - Mrs. Green's class was playing Guess My Rule. When it was Victor's turn, his classmates suggested six numbers. Victor applied his rule and gave them the results. Here are the number and their results: Number Result 4 11 9 21 2 7 10 23 1 5 15 33 What is Victor's Rule?

  • Answer:

    You double the number, and then add 3 to that. For example, it would be 2x+3, where x equals whatever # you'd like to use.

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2x+3=? x=given number

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