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148 The arithmetic mean of 10 numbers is −10. If the sum of 6 of them is 100, what is the arithmetic mean of the other 4? Answer:

148 The arithmetic mean of 10 numbers is −10. If the sum of 6 of them is 100, what is the arithmetic mean of the other 4? Answer:
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148 The arithmetic mean of 10 numbers is −10. If the sum of 6 of them is 100, what is the arithmetic mean of the other 4? Answer:

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User Schellmax
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1 Answer

6 votes

Answer:

(100 + 4x)/10 = -10

100 + 4x = -100

4x = -200

x = -50

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User Grant Petty
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8.0k points
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