SOLUTION: Find the sum of the infinite series 315+189+113.4+68.04+.....

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Question 1016426: Find the sum of the infinite series
315+189+113.4+68.04+.....
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
We need the ratio r...here
r = 189/315 = .6
Then an infinite sum is found by
S = a1 / (1-r) = 315 / (1 - .6) = 315 / .4 = 787.5