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| Math Central | Quandaries & Queries |
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Question from francis, a student: which term of the series 2+7+12+...is 152? |
Hi Francis,
To obtain each term of the series you add 5 to the previous term so the next few terms are 2+7+12+17+22+...
How many times do you add 5 to get from 2 to 152? Which term is 152?
As a check ask yourself, how many times do you add to get from 2 to 22? Which term is 22?
Did you get the correct answer? If not what is incorrect with your process?
I hope this helps,
Penny
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