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the sum of the in a three digit number is 9. The tens digit is half the sum of the sum of the other two and the hundreds digit is half the units digit. Find the total value of the number.

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ABC
B = 1/2 (A+C)
A = (1/2) C
A + B + C = 9
so
B= (1/2)(3/2) C
(1/2)C +(3/4) C + C = 9
(9/4) C = 9
C = 4
then
A = 2
B = 3
so
234

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