Question

What number can be added to the following data so that the range of the data will be 78?
79, 81, 104, 47, 33, 90
Enter the smaller number first.

Answer 1

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Answer 2

To answer this question, read these three steps:

1. Find the greatest number among the 6 values.
Answer: 104

2. Subtract 78 from 104, and solve!!
104-78= 26

3. Check your answer
104-26=78

So if 26 is added you can get the range as 78!!