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A 3030-foot roll of wrapping paper costs $12.00\$12.00. What is the price per inch?

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Full solution

Q. A 3030-foot roll of wrapping paper costs $12.00\$12.00. What is the price per inch?
  1. Identify inches in 11 foot: Identify the number of inches in 11 foot.11 foot =12= 12 inches
  2. Convert roll length to inches: Convert the total length of the roll from feet to inches.\newlineTotal length of roll: 3030 feet\newline11 foot == 1212 inches\newline3030 feet == 30×1230 \times 12 inches == 360360 inches
  3. Calculate price per inch: Calculate the price per inch.\newlineCost of roll: $12.00\$12.00\newlineTotal length of roll: 360360 inches\newlinePrice per inch = $12.00360 inches\frac{\$12.00}{360\text{ inches}}
  4. Perform division for price per inch: Perform the division to find the price per inch.\newlinePrice per inch = $12.00/360=$0.0333…\$12.00 / 360 = \$0.0333\ldots

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