Fill in the gaps in the sequence below. Rule: Start at ? Subtract 12 each time

Question

Question

Fill in the gaps in the sequence below. Rule: Start at ? Subtract 12 each time

Answer 1

27→15→3→-9→-21

Answer 2

We are given a sequence with blanks and it is given that the operation to go from one term to the next is to subtract 12. We proceed to find each blank as follows: There's a rule to "start at something". This starting point is unknown so it is a task here to work back up the sequence starting from 15 (since it comes after the 1st blank). Since we subtract 12 to get to the next term, here we should do the inverse which means adding 12. For the first blank(i.e., the 1st term), adding 12 to 15, we get 27. To obtain the next two blanks, we simply apply the given rule. Ruturn subtract 12 base on 3 final term. Subtracting 12 from 3, we get -9. Subtracting again 12 from -9, we get -21. This way, the blanks in the sequence 27→15→3→-9→-21 are filled.

Question

Fill in the gaps in the sequence below. Rule: Start at ? Subtract 12 each time

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Answer

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