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Cody and Tyler were once the same height. Since then, Tyler's height has increased by 20%, while Cody has grown half as much. If Tyler is 4 feet tall now, how many inches tall is Cody now?

a) 42 inches
b) 45 inches
c) 48 inches
d) 51 inches

Answer :

Final answer:

Given the initial heights of Cody and Tyler and their growth rates, Cody's current height is calculated based on the information provided. Cody is 52.8 inches tall now, which is rounded to 53 inches.

Explanation:

Cody and Tyler were once the same height. Tyler's current height is 4 feet, and he has grown by 20%. Cody has grown half as much. Let's calculate Cody's height:

  1. 20% increase of Tyler's height: 4 feet * 0.20 = 0.8 feet increase
  2. Cody's growth is half of this, so Cody's increase is 0.8 feet / 2 = 0.4 feet
  3. Cody's current height: 4 feet + 0.4 feet = 4.4 feet
  4. Converting Cody's height to inches: 4.4 feet * 12 inches/foot = 52.8 inches

Therefore, Cody is 52.8 inches tall now, which is rounded to 53 inches.

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