Step-by-step explanation:
6.5r - 7.4= 12.1
6.5r = 19.5
r = 3
Answer:
Step-by-step explanation:
You can look at it and see that 1/3 is added to each term. The common difference is 1/3. If you want to be be more formal,
d = d4 - d3
d = 0 - - 1/3
d = 0 + 1/3
d = 1/3
The answer for the problems are below in the picture let me know if that makes sense.
Answer:
not sure which is the origional-
if the big one is the origiinal, then 1/2
if the small one is the origional- then 2-1
