



 
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,  


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