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If 8a=9b and ab≠0, what is the ratio of [img]2011q3/ct_egmatqm_egmatqchoose_0098
If 8a=9b and ab≠0, what is the ratio of [img]2011q3/ct_egmatqm_egmatqchoose_0098
游客
2025-02-27
15
管理
问题
If 8a=9b and ab≠0, what is the ratio of
?
选项
A、
B、
C、
D、
E、
答案
C
解析
The ratio of these numbers is (a/9)/(b/8); you can substitute in the ratios from the question, so a=9b/8; the ratio then is (9b/72)/(b/8); divide b from both sides of the ratio, and multiply 8 times both sides of the ratio, and you wind up with 72/72=1.
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