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Old November 10th, 2008, 04:01 AM
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Quote:
Originally Posted by jvignacio View Post
the first term is 200, the last term is 5000.
The difference between consecutive terms equal to 150.
so basically the sequence is 200, 350, 500, 650 etc etc all the way to 5000!


now i need to find the number of terms within this sequence
You're expcted to know that t_n = t_1 + (n-1)d.

Therefore 5000 = 200 + (n - 1) 150.

Solve for n.
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