Answer: What Comes Next? #350

The answer is C: 27.

The finished pattern: 45, 42, 39, 36, 33, 30, 27.
The finished pattern.

The rule

Take away 3 each time.

The pattern as Python code

Here is a tiny Python program that follows the same rule. Type it into IDLE and run it to print the whole pattern, including the answer.

number = 45
for step in range(7):
    print(number)
    number = number - 3

When you run it, Python prints:

45
42
39
36
33
30
27

Pixel says: Try changing a number in the code and run it again. Can you make the pattern go on for 20 steps? Meow!