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If 8a = 9b and ab ≠0, what is the ratio of a/9 to b/8?
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01 Aug 2016, 07:46

Bunuel wrote:

If 8a = 9b and ab ≠0, what is the ratio of a/9 to b/8?

A. 64/81 B. 8/9 C. 1 D. 9/8 E. 81/64

if ab ≠0 then a and b has two integer sets of pair if a=9 then b=8 and if a=-9 then b=-8 also in fraction if a=1/8 then b=1/9 any of the pair we check the ratio 8a/9b=1 Ans C