220,223 ___,217, ___,214
31, 64, 67, 70, ____
the blanks may look awkwardly/wrongly placed but this IS the
exact question. please help!~
much thanks :D
1. 220, 223, 211, 217, 205,
214
Differences: +3, -12, +6, -12, +9
2. There are 3 answers for this.
Mine:
31, 64, 67, 70, 43
Differences: +33, +3, +3, -27
Differences of Differences: +30, 0, -30
Google's:
31, 64, 67, 70, 71
http://www.google.com/search?hl=en&client=opera&rls=en&q=%2231%2C+64%2C+67%2C+70%2C+71%22&btnG=Search
The Ultimate Answer (applicable to Qn. 1):
31, 64, 67, 70, 42