07-11-2016
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?

Respuesta :

07-11-2016

x + y = 77
9 + 2 = 11

9 × 7 : 2 × 7
63 : 14

nurse = 63

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