Question 9
Consider the undulating number sequence
$1,4,7,4,1,4,7,4,1,4,\ldots,$
which repeats every four terms. The running total of the first 3 terms is 12. The running total of the first 7 terms is 28.
Which one of the following is also a running total of this sequence?
$1,4,7,4,1,4,7,4,1,4,\ldots,$
which repeats every four terms. The running total of the first 3 terms is 12. The running total of the first 7 terms is 28.
Which one of the following is also a running total of this sequence?