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qid 712 · business

Question: How many 9-inch-by-9-inch tiles are needed to cover a floor which is 9 feet long and 6 feet wide? Find the cost if each tile costs 75 cents.

  1. 98 tiles, $73.50
  2. 90 tiles, $67.50
  3. 104 tiles, $78.00
  4. 88 tiles, $66.00
  5. 96 tiles, $72.00
  6. 92 tiles, $69.00
  7. 100 tiles, $75.00
  8. 110 tiles, $82.50
  9. 102 tiles, $76.50
  10. 94 tiles, $70.50

Our answer: E. 96 tiles, $72.00 Source quote machine-checked (exact quote)

A machine check confirms the quoted words appear at the source. A person has not yet reviewed these. EARN MARKS as a Human Reviewer

How it was answered

Stored formula / worked method, replayed by code

Geometric floor tessellation and cost scaling problem

card: formula · card sha256 2dc549126bcfabd2…

Current source

Bob Vila, "How Much Tile Do I Need for a Floor or Wall? Solved!"

https://www.bobvila.com/articles/how-much-tile-do-i-need/

“divide the area you're tiling by the square footage of one tile to determine how many tiles you need”

Source quote machine-checked (exact quote)

retrieved 2026-09-18T01:34:01.248Z

page text sha256 dc5773ecb8f2f7db… · content sha256 f8b2896a9fe8e0e8…

addendum formula_qid712.formula_ADDENDUM_source_rs20260918T013401Z · sha256 a1311eb1ae63e4cf… · replaces the version below, addendum sha256 1c2959c11f3efe85…

Earlier version (superseded)

No public source has been found for this card yet (5 places checked internally).

addendum formula_qid712.formula_ADDENDUM_source · sha256 1c2959c11f3efe85…

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