SOLUTION: A new bag of cat food weighs 18 pounds. At the end of each day, 0.5 pound of food is removed to feed the cats. Find the 30th term, and explain what it represents.

Algebra ->  Functions -> SOLUTION: A new bag of cat food weighs 18 pounds. At the end of each day, 0.5 pound of food is removed to feed the cats. Find the 30th term, and explain what it represents.      Log On


   

Question 1009790: A new bag of cat food weighs 18 pounds. At the end of each day, 0.5 pound of food is removed to feed the cats. Find the 30th term, and explain what it represents.
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
Arithmetic Sequence.
Index n, first term 18, common difference 1%2F2;
18-%28n-1%29%281%2F2%29.

There will be a practical restriction. n can be any whole number such that 0%3C=n%3C=37.

Try let n=30 for one of your questions.