16-12-2016
Mathematics

contestada

A hospital employs a total of 77 nurses and doctors. The ratio of nurses to doctors is 9:2. How many nurses are employed at the hospital? How many doctors are employed at the hospital?

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mathssydney mathssydney

16-12-2016

1) 9+2 = 11
2) 77 / 11 = 7
3) ratio of nurces is 9 so 7*9=63 nurses
4) ratio of doctors: 2 so 7*2= 14 doctors

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