The sum of n terms of a geometric series is given by

Substituting the given numbers, you have

There are 6 terms in the series.
Your answer is 25. You do 40 times 5 divided by 8 or 8 times 5 is 40 and 5 times 5 is 25. Hope this helps
Answer:
y=-5/14x-3/2
Step-by-step explanation: Thats the equation
I really hope this answer make sense for you
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