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Eric is sorting pencils into boxes. He put 1616 pencils in the first box, 2121 pencils in the second box, 2626 pencils in the third box, and 3131 pencils in the fourth box. What kind of sequence is this?\newlineChoices:\newline(A) arithmetic\newline(B) geometric\newline(C) both\newline(D) neither

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Q. Eric is sorting pencils into boxes. He put 1616 pencils in the first box, 2121 pencils in the second box, 2626 pencils in the third box, and 3131 pencils in the fourth box. What kind of sequence is this?\newlineChoices:\newline(A) arithmetic\newline(B) geometric\newline(C) both\newline(D) neither
  1. Find Differences: To determine the type of sequence, we need to look at the differences or ratios between consecutive terms. Let's start by finding the differences between consecutive numbers of pencils.\newlineFirst box: 1616 pencils\newlineSecond box: 2121 pencils\newlineDifference: 2116=521 - 16 = 5
  2. Identify Arithmetic Sequence: Now let's find the difference between the second and third boxes.\newlineSecond box: 2121 pencils\newlineThird box: 2626 pencils\newlineDifference: 2621=526 - 21 = 5
  3. Identify Arithmetic Sequence: Now let's find the difference between the second and third boxes.\newlineSecond box: 2121 pencils\newlineThird box: 2626 pencils\newlineDifference: 2621=526 - 21 = 5Next, we find the difference between the third and fourth boxes.\newlineThird box: 2626 pencils\newlineFourth box: 3131 pencils\newlineDifference: 3126=531 - 26 = 5
  4. Identify Arithmetic Sequence: Now let's find the difference between the second and third boxes.\newlineSecond box: 2121 pencils\newlineThird box: 2626 pencils\newlineDifference: 2621=526 - 21 = 5Next, we find the difference between the third and fourth boxes.\newlineThird box: 2626 pencils\newlineFourth box: 3131 pencils\newlineDifference: 3126=531 - 26 = 5Since the differences between consecutive terms are all the same (55), this indicates that the sequence is an arithmetic sequence.

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