Respuesta :

eichnerhunter

Answer:

D

Step-by-step explanation:

13+15=28

there are 15 males, it does not matter if its a pick, to do a ratio of two numbers add the two and put the number requested to be compared

13:28 D

Science4life

Answer:

option D

Step-by-step explanation:

13 male patients and 15 female patients one day

female -  15

total - 28

I hope this helped!