Question

if there were 161,809,242 females in the US in 2014 and 5.9% were diagnosed with diabetes, how many females had been diagnosed?

Answer 1

Im 90% sure its 9546745 females

Answer 2

For this case what we can do is the following rule of three:
161,809,242 ------> 100%
x ---------------------> 5.9%
Clearing x we have:
x = (161809242) * (5.9 / 100)
x = 9546745.278
Nearest whole number:
x = 9546745
Answer:
had been diagnosed about 9546745 females