Question

Jered's parents are going to repaint their house. They need to select two colors to complete the job.If they previously narrowed their decision down to six colors, how many combinations of two can they choose from?

Answer 1

@Data_LG2

Answer 2

@matt101

Answer 3

@MikeyMaximum @Preetha @poopsiedoodle @Callisto

Answer 4

Just use the equation for combinations:

\[_{n}C_r={n! \over r!(n-r)!}\]