SOLUTION: I have a problem that I need help working out completely. When I tried to work it out the first time, I got the wrong answer. I know the right answer but I need to show how I get t

Algebra ->  Equations -> SOLUTION: I have a problem that I need help working out completely. When I tried to work it out the first time, I got the wrong answer. I know the right answer but I need to show how I get t      Log On


   



Question 57956: I have a problem that I need help working out completely. When I tried to work it out the first time, I got the wrong answer. I know the right answer but I need to show how I get the answer. The problem is as follows: 200 is the ____th term of 24, 35, 46, 57,... My textbook is Glencoe Mathematics Florida Edition Algebra 1. ISBN 0-07-860390-0. Chapter 4 Graphing Relations & Functions Section 4-7.
Answer by hayek(51) About Me  (Show Source):
You can put this solution on YOUR website!
The formula for the ith member of your series seems to be:
Series%5Bi%5D=10%28i%2B1%29%2B%28i%2B3%29
The question is what value of i makes Series%5Bi%5D=200?
200=10%28i%2B1%29%2B%28i%2B3%29
200=10i%2B10%2Bi%2B3
200=11i%2B13
11i=200-13
i=%28200-13%29%2F11
i=187%2F11
i=17