Answer:
the value in the present of a sum of money, in contrast to some future value it will have when it has been invested at compound interest.
Step-by-step explanation:
I think the answer would be like 1.5.
(smaller length measure) to (larger length measure)
3 to 9 or 6 to 18
reduces to 1 to 3 or
Move k to the other side to isolate d.
So we will get 3d = 8c - 8d - k
Now divide both sides by 3 to isolate d.
So d = 8/3c - 8/3d - k/3