Answer:
1.16667
Step-by-step explanation:
50•2=100
Then 40•2=80
Than add 100+80=
180! Please Thank me!
9514 1404 393
Answer:
-15/16
Step-by-step explanation:
The sum of a geometric series with first term a1 is ...
S = a1/(1 -r)
Then the common ratio (r) is ...
r = 1 -a1/S
For the given values, the ratio is ...
r = 1 - 124/64 = -15/16
The common ratio is -15/16.
My guess would be A ! Hope this helps