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Answer:
15, 30, 60, 120, 240, <u>480</u>.
Step-by-step explanation:
You multiply the numbers by 2 to get to the next number.
For example, 15*2 is 30. 30*2 is 60. 60*2 is 120, etc..
Answer:

Step-by-step explanation:
Let x be the smaller number.
The next even number will be (x + 2).


Subtract 2 from both sides:


Divide both sides by 2:


The smaller number is 32.
Larger number 
Answer and Step-by-step explanation:

Decreased by 20%