Area of each tile: 2.5in * 6in = 15 in^2
Area of the back splash: 2.5 ft * 12 in/ft * 8ft*12in/ft = 2880 in^2
Area of the back splash / area of each tile = 2880in^2 / 15in^2 = 192
Answer: 192 tiles
Where is the question? I have no idea what I need to do to help u?
Scalene triangle would be the correct answer for this question