Question

larry used a pattern of colors to make a cube trai. he used a red cube, a blue cube. a red cube, and another red cube before he started the pattern again. he used 15 cubes. how many red cubes did Larry use?

Answer 1

R, b, r, r, r, b, r, r, r, b, r, r, r, b, r.

The answer is 11 red cubes were used in his pattern.