SOLUTION: The reciprocal of b/a divided by the reciprocal of {{{2b/a^2}}} multiplied by the reciprocal of 3/a is the reciprocal of what number?
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Question 1208626
:
The reciprocal of b/a divided by the reciprocal of
multiplied by the reciprocal of 3/a is the reciprocal of what number?
Answer by
greenestamps(13198)
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The reciprocal of b/a divided by the reciprocal of
multiplied by the reciprocal of 3/a is the reciprocal of what number?
Dividing by the reciprocal of the fraction P/Q is the same as multiplying by the fraction P/Q. So change the statement of the problem to
The reciprocal of b/a multiplied by
multiplied by the reciprocal of 3/a is the reciprocal of what number?
The reciprocal of b/a is a/b; the reciprocal of 3/a is a/3. So again change the statement of the problem to
a/b multiplied by
multiplied by a/3 is the reciprocal of what number?
Now perform that multiplication:
(a/b)(2b/a^2)(a/3) = (2a^2b)/(3a^2b) = 2/3
2/3 is the reciprocal of 3/2
ANSWER: 3/2