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The mean of four numder is 30. if three of the numbers are 12, 50, and 48, what is the fourth number
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Dec 8, 2017
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The mean of four numder is 30. if three of the numbers are 12, 50, and 48, what is the fourth number
Mathematics
high-school
Arun Singh
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Arun Singh
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Answer:
10
Explanation:
10 is least
Gs Hurley
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Dec 9, 2017
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Gs Hurley
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if the mean of 4 numbers is 30 then that means that the total of all the numbers added together must add up to 120 (30 x 4)
then you subtract the three numbers that you have from the total
120-12-50-48 = 10
so the last number is 10
Strauberry
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Dec 14, 2017
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Strauberry
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