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Brittany irons 1/8 of her shirt in 4 1/2 minutes. How much of her shirt does she iron each minute? Reduce to lowest terms!

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mhanifa

Answer:

  • Brittany irons 1/36 of her shirt each minute.

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Given relationship:

  • 1/8 of a shirt → 4 1/2 minutes
  • x of a shirt → 1 minute

Solve for x by cross-multiplication:

  • x × 4 1/2 = 1 /8 × 1
  • x × 9/2 = 1/8
  • x = 1/8 ÷ 9/2
  • x = 1/8 × 2/9
  • x = 1/36

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