Question

What is the common ratio of the sequence 80, 20, 5, 5/4... ?

Answer 1

simplify 80 to 20
20 to 5
5 to 5/4

Answer 2

How do I do that?

Answer 3

kinda like simplifying the fraction 80/20
20/5
look for multiplies that they both share and divide those out

Answer 4

20 is a common multiple for both would that work?

Answer 5

for 80 to 20
yes

Answer 6

so the common ratio is /20

Answer 7

/ being division sign

Answer 8

Common ratio = current term/previous term = next term / current term = 80/20 = 20/5 = 1/4
ok ?