500
A number pattern is shown below.
4, 8, 12, 16, 20 . . . What algebraic rule can be used to describe the pattern?
A. add 4 to the number before that number
B. add 3 to the number before that number
C. multiply the number before that number by 3
D. multiply the last 2 numbers
What is A. add 4 to the number before that number?