Question

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

Answer 1

$9x-number\ of\ nurses\\2x-number\ of\ doctors\\\\9x+2x=77\\11x=77\ \ \ \ \ |:11\\x=7\\\\2\cdot7=14\\\\At\ the\ hospital\ are\ employed\ 14\ doctors$