which number best completes the pattern
17,12,7
3,7,11
21,16,___
Answers
Answered by
1
Answer:
11
Step-by-step explanation:
17 - 5 = 12, 12 - 5 = 7
3 + 5 = 7, 7 + 5 = 11
so,
21, 16, 11
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