Question

What does the variable 'n' represent in the formula M = 3n + 1?

Options

• The number of matchsticks

• The figure number

• The constant increase

• The total number of figures

Answer 1

The figure number

Explanation:

 In the formula M = 3n + 1, 'n' represents the figure number, while M represents the number of matchsticks used in that figure.