### Home > AC > Chapter 4 > Lesson 4.1.7 > Problem 4-65

4-65.

For a tile pattern with the rule *y* = 6*x* + 4 (where *x* represents the figure number and *y* represents the number of tiles), which figure number has 40 tiles in it? How do you know? Homework Help ✎

Given information:

*y* = number of tiles*x* = figure number

40 tiles

Substitute in the given information.

number of tiles = 6(figure number) + 4

40 = 6*x* + 4

*x* = Figure 6

Check your answer.