Question 1205650
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a = 180 = first term
r = 3/4 = 0.75 = common ratio


Since -1 < r < 1 is true when r = 0.75, we can use the infinite geometric sum formula shown below.
S = a/(1 - r)
S = 180/(1 - 0.75)
S = 720



Answer: <font color=red>720</font>
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