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A 1515-foot roll of paper towel costs $9.75\$9.75. What is the price per inch?

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Full solution

Q. A 1515-foot roll of paper towel costs $9.75\$9.75. What is the price per inch?
  1. Convert to inches: First, convert feet to inches since we want the price per inch. There are 1212 inches in a foot.\newline15 feet×12 inches/foot=180 inches.15 \text{ feet} \times 12 \text{ inches/foot} = 180 \text{ inches}.
  2. Calculate price per inch: Next, divide the total cost by the number of inches to find the price per inch.$9.75/180\$9.75 / 180 inches = $0.0541666667\$0.0541666667 per inch.
  3. Round to nearest cent: Round the result to the nearest cent, since that's how prices are typically represented.$0.0541666667\$0.0541666667 rounds to $0.05\$0.05 per inch.

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