Problema Solution
Letter A is half of B and B is half of C. If the average of A, B, and C is 70, find the value of A.
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Letter A is half of B and B is half of C. If the average of A, B, and C is 70, find the value of A.
A=1/2B.
B=1/2C.
(A+B+C)/3=70.
A+B+C=210.
A+2A+4A=210.
7A=210.
A+210/7.
=30.