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Jessie types at the rate of 3 pages every 20 minutes. Find the time it would take Jessie to type a 12 page essay

Please note that this is directly proportional applications and the formula is output unit/input unit times input unit

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mhanifa

Answer:

  • 80 min or 1 hour and 20 min

Step-by-step explanation:

  • 3 pages ⇔ 20 min
  • 12 pages ⇔ x min

Cross= multiply and solve for x:

  • 3x = 12*20
  • 3x = 240
  • x = 240/3
  • x = 80 min = 1 hour and 20 min

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