The correct answer is:
[A]: "

" .
______________________________________________________<u>Note</u>: "3/4" = "6/8" = "15/20" .
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2/12 is the correct answer
4/15
Multiple the numerator by numerator, and denominator by denominator, then simplify
The tiles are identical, so you would need them to fit exactly.
if he uses 144 tiles to cover the floor, the area would be 72/144 = 0.5 square feet
this is just one example