The sum of 6 consecutive odd numbers is 204. What is the fourth number in this sequence?
2 answers:
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To solve for the variable "w" you only need to use algebra to get it alone on one side of the equals sign.
- 8 and 4
These are the terms of a geometric sequence with a common ratio r
r = =
=
= -
the next 2 terms are obtained by multiplying the previous term by r
16 × - = - 8
- 8 × - = 4