what fraction must be subracted from the sum of one by four and one by six to have an average of one by twelve of all the three
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Sum = 1/4 + 1/6 = 5/12
Average of the three numbers : 1/4, 1/6, x be 1/12
so 1/4 + 1/6 + x = 1/12 * 3 = 1/4
=> x = -1/6
After subtraction of some quantity from the sum 5/12 we get -1/6.
To obtain -1/6 from the sum 5/12 we have to subtract 5/12 - (-1/6)
= 7/12.
Average of the three numbers : 1/4, 1/6, x be 1/12
so 1/4 + 1/6 + x = 1/12 * 3 = 1/4
=> x = -1/6
After subtraction of some quantity from the sum 5/12 we get -1/6.
To obtain -1/6 from the sum 5/12 we have to subtract 5/12 - (-1/6)
= 7/12.
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