Question

How do you find the sum of the infinite geometric series 32. 30 + 22.5 + 16.875 + . . . ?

Answer 1

The common ratio `r=22.5/30=3/4`

Explanation:

Formula for infinite sum ...

`S_oo=a_1/(1-r)`

`S_oo=30/(1-3/4)=120`

hope that helped