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Omni-MATH / Morgan uses a spreadsheet to create a table of values. In the first column, she…

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problem

Morgan uses a spreadsheet to create a table of values. In the first column, she lists the positive integers from 1 to 400. She then puts integers in the second column in the following way: if the integer in the first column of a given row is nn, the number in the second column of that row is 3n+13 n+1. Which of the following integers does not appear in the second column: 31, 94, 131, 331, 907?
Plain-text mathematical notation (without MathML)
Morgan uses a spreadsheet to create a table of values. In the first column, she lists the positive integers from 1 to 400. She then puts integers in the second column in the following way: if the integer in the first column of a given row is n, the number in the second column of that row is 3n+1. Which of the following integers does not appear in the second column: 31, 94, 131, 331, 907?
Original LaTeX notation
Morgan uses a spreadsheet to create a table of values. In the first column, she lists the positive integers from 1 to 400. She then puts integers in the second column in the following way: if the integer in the first column of a given row is $n$, the number in the second column of that row is $3 n+1$. Which of the following integers does not appear in the second column: 31, 94, 131, 331, 907?

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task_id
a9bb7404-6abe-53f6-b03e-f6a4ef61d886
task_key
test--a9bb7404-6abe-53f6-b03e-f6a4ef61d886
task_revision_id
1
config / split
/ test

Official source

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