SOLUTION: What two numbers would complete this pattern. 15,30,20,27,25,24,30,21,35,18,_,_

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Question 678553: What two numbers would complete this pattern. 15,30,20,27,25,24,30,21,35,18,_,_
Answer by nerdybill(7384) About Me  (Show Source):
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What two numbers would complete this pattern. 15,30,20,27,25,24,30,21,35,18,_,_
.
every other number, starting with the first number increases by 5:
15,.,20,.,25,.,30,.,35
whereas, every other number, starting with the second number decreases by 5:
30,.,27,.,24,.,21,.,18
.
Answer:
15,30,20,27,25,24,30,21,35,18,40,15