1 Natural stone tiles of marble, granite, slate or more start at $2 a square foot, or $200 for 10x10-feet, but costs climb rapidly for custom designs or special orders.  Mosaics are any tile less than two inches square (although they can be round or hexagonal), usually mounted on a 12x12-inch mesh sheet.
Definition of problem-solving. : the process or act of finding a solution to a problem Let's do some problem-solving and see if we can't figure out what to do. problem-solving skills.
Related to problem: problem definition. (prÅbâ²lÉm) n. 1. A question to be considered, solved, or answered: math problems. 2. a. A situation, matter, or person that is hard to deal with or understand: was having problems breathing; considered the main problem to be his boss.