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Carla reads four pages every 10 minutes. How long would it take for Carla to read 20 pages?

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Final answer:

To determine the time it would take Carla to read 20 pages at a rate of 4 pages every 10 minutes, a proportion can be used resulting in a total reading time of 50 minutes.

Step-by-step explanation:

If Carla reads four pages every 10 minutes, then to calculate how long it would take her to read 20 pages, we can set up a proportion based on the rate given. The ratio of pages to minutes is 4 pages per 10 minutes. So, for 20 pages, we can use the following steps:

  1. First, set up the proportion: 4 pages/10 minutes = 20 pages/x minutes.
  2. To find x, cross-multiply and divide: (4 pages) × x minutes = (10 minutes) × (20 pages).
  3. This simplifies to: 4x = 200.
  4. Now, divide both sides by 4: x = 200 / 4.
  5. Solve for x: x = 50 minutes.

Therefore, it would take Carla 50 minutes to read 20 pages.

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