Identifying Partterns & Working With Algebraic Expressions

Question 0

What does sequentially substituting numbers mean?

Answer 0

Plugging in numbers for X that go in order

1,2,3,4

Question 1

If for every blue cube, there are two orange cubes, and three green cubes,

How do we algebraically express the relationship between the cubes?

Answer 1

x + 2x + 3x = total number of cubes