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What is the reciprocal of 4/5?

  1. 0.2

  2. 0.25

  3. 0.8

  4. 5

The correct answer is: 0.8

The reciprocal of 4/5 is the number that when multiplied by 4/5 results in a product of 1. In other words, it is the number that "undoes" the original fraction. To find the reciprocal, we simply flip the numerator and denominator of the original fraction. When we do this for 4/5, we get 5/4. Therefore, the reciprocal of 4/5 is 5/4, which is equal to 0.8 in decimal form. Option A, 0.2, is incorrect because when we multiply 4/5 by 0.2, we do not get a product of 1. Option B, 0.25, is also incorrect because when multiplied by 4/5, it does not result in a product of 1. Option D, 5, is incorrect because when