Step-by-step explanation:
6:8=9:12=12:16=15:20
Answer:

Step-by-step explanation:
we know that
The formula to find the sum is equal to

where
a1 is the first term
an is the last term
n is the number of terms
In this problem we have



substitute the values in the formula

Answer:
In case you have not gotten the answer yet it is the chart, -- 3,3,3,2,3,3,3
Step-by-step explanation:
I took the quiz
Is there a picture of the clock?