3 years ago

What is the common ratio of the following sequence? 80, 20, 5, ... A) -4 B) 1/4 C) 4

1 answer:

6 0

$\bf 80~~,~~20~~,~~5~\hfill \cfrac{20}{80}\implies \boxed{\cfrac{1}{4}}~~,~~ \cfrac{5}{20}\implies \boxed{\cfrac{1}{4}}~\hfill \stackrel{\textit{common ratio}}{\boxed{\cfrac{1}{4}}}$

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