Who is asking: Teacher
Level of the question: All
Question: This word problem appears in a teacher exam study guide. I, along with others, cannot get the answer that is provided in the answer key.
The problem: A builder is adding a 20' X 28' addition to a house. He has two choices: he can use 8" X 8" tile @ $.98 a tile or 12" X 12" tile @ $1.98 a tile. How much money would he save by using the least expensive choice?
The correct answer is $130. Could you please explain how they got this answer? A prompt response would greatly be appreciated!!!!