Type the missing number in this sequence: 87, 78, _____, 60, 51, 42

Identify Pattern: Identify the pattern in the sequence. We notice that the numbers are decreasing. To find the pattern, we can subtract each number from the one before it. 78 - 87 = -9 This suggests that the sequence might be decreasing by 9 each time.Verify Pattern: Verify the pattern with the next pair of numbers in the sequence. 60 - 51 = 9 51 - 42 = 9 The pattern of decreasing by 9 is consistent.Apply Pattern: Apply the pattern to find the missing number. 78 - 9 = 69 Therefore, the missing number in the sequence should be 69.Check Solution: Check the sequence with the found number to ensure it follows the pattern. 87, 78, 69, 60, 51, 42 We can see that subtracting 9 from each number results in the next number in the sequence, confirming our solution.

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Type the missing number in this sequence: $\newline$ $87,\;78,\;\_\_\_\_,\;60,\;51,\;42$

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Q. Type the missing number in this sequence:

\newline

87,\;78,\;\_\_\_\_,\;60,\;51,\;42

Identify Pattern: Identify the pattern in the sequence. $\newline$ We notice that the numbers are decreasing. To find the pattern, we can subtract each number from the one before it. $\newline$ $78 - 87 = -9$ $\newline$ This suggests that the sequence might be decreasing by $9$ each time.
Verify Pattern: Verify the pattern with the next pair of numbers in the sequence. $\newline$ $60 - 51 = 9$ $\newline$ $51 - 42 = 9$ $\newline$ The pattern of decreasing by $9$ is consistent.
Apply Pattern: Apply the pattern to find the missing number. $78 - 9 = 69$ Therefore, the missing number in the sequence should be $69$ .
Check Solution: Check the sequence with the found number to ensure it follows the pattern. $\newline$ $87, 78, 69, 60, 51, 42$ $\newline$ We can see that subtracting $9$ from each number results in the next number in the sequence, confirming our solution.