Asked by ellen mkhwanazi
how many terms in the series 18-16-13-....must be added to give a sum of 44?
Answers
Answered by
bobpursley
I am not certain of the repetition.
starts at 18, down 34, then down 3, ...
I would like to have another term or two. Frankly, if it keeps going down, it cannot be 44, as the highest value will be 18 at the start.
starts at 18, down 34, then down 3, ...
I would like to have another term or two. Frankly, if it keeps going down, it cannot be 44, as the highest value will be 18 at the start.
Answered by
Steve
Well, since the first three terms shown add to 47, you got me.
Now, if we continue, with the difference increasing by one each term, we get
18 16 13 10 5 -1 ...
If we add terms 2 through 5 we get 44.
An odd problem, and, I suspect, garbled in transit.
Now, if we continue, with the difference increasing by one each term, we get
18 16 13 10 5 -1 ...
If we add terms 2 through 5 we get 44.
An odd problem, and, I suspect, garbled in transit.
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