The average of three
numbers is 28. If the smallest
number is increased by 7 and
the greatest number is
reduced by 10, the number at
the middle becomes the
arithmetic mean, and the
range of the new set of data
becomes 20. What is the
largest of the original set of
three numbers ?
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Answer:
20
Step-by-step explanation:
If the smallest number is increased by 7 and the greatest ... mean , and the range of the new set of data becomes 20.
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