Question: <span>A classroom has a length of 20 feet and a width of 30 feet. The headmaster decided that tiles will look good in that class. if each tile has a length of 2 ft and a width of 3 ft, how many tiles are needed to fill the classroom
Answer: Work out the area of one tile first: 3 x 2 = 6ft</span>². Work out the area of the classroom: 20 x 30 = 600ft². Divide the two values: 600/6 = 100.
She received $221.72. If you divide 385.60 in half, because she sold half, you get 192.8. You then multiply that number by 1.15. There you have your answer.