SOLUTION: please help me solve this question: If 13 out of 30 students failed a math test. What is the number of ratio that PASSED?

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Question 579462: please help me solve this question:
If 13 out of 30 students failed a math test. What is the number of ratio that PASSED?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
17/30 passed