Question

Mei-Ling has paints in 4 different colors. If she is going to paint the inside of a box with one color and the outside of the box with another color, in how many different ways can she paint the box?​

Answer 1

she will paint one in the inside and the remaining three paints should be outside of the box

Explanation:

she will paint one in the inside and the remaining three paints should be outside of the box