SOLUTION: Suppose 5 prizes are going to be awarded. If 1st prize is $150 while 3rd prize is $104.50 and the prizes are in arithmetic sequence, how much prize money was given away?

Question 28770: Suppose 5 prizes are going to be awarded. If 1st prize is $150 while 3rd prize is $104.50 and the prizes are in arithmetic sequence, how much prize money was given away?
Answer by Paul(988) (Show Source): You can put this solution on YOUR website!
First = 150
second = 172.75 ...
Use the squence formula:
n = 5, a = 150, d = 22.75

Hence, there are $1368.5 in the prizes.
Paul.
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