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OpenStudy (anonymous):
The ratio of tagged fish to untagged fish was 2 to 9. Ninety fish were tagged. How many fish were untagged?
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OpenStudy (texaschic101):
2/9 = 90/x 2x = 810 x = 810/2 x = 405 check.. 2/9 = 90/405 cross multiply (2)(405) / (9)(90) 810 = 810 (correct) if there is 90 tagged, then there is 405 untagged
OpenStudy (anonymous):
thank you!! @texaschic101
OpenStudy (texaschic101):
sure thing :)
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