SOLUTION: Scott is saving to buy an accordion. In the first week, he put aside $60 that he received for his birthday, and in each of the following weeks, he added $12 to this savings. Is

Algebra ->  Average -> SOLUTION: Scott is saving to buy an accordion. In the first week, he put aside $60 that he received for his birthday, and in each of the following weeks, he added $12 to this savings. Is      Log On


   

Question 1177328: Scott is saving to buy an accordion. In the first week, he put aside $60 that he received for his birthday, and in each of the following weeks, he added $12 to this savings.
Is this arithmetic or geometric?
What is the equation?
How much has he saved after 11 weeks?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi
arithmetic
 S = $60 + $12(n-1)
 S(11weeks) = $60 + $12*10 = $180

Wish You the Best in your Studies.