Answer: 60 of the patients are boys.
Step-by-step explanation: According to what is described, 5 in 8 patients are girls, then: 8 - 5 = 3, i.e., 3 in 8 are boys.
Mathematically the proportionality is
![(3)/(8)](https://img.qammunity.org/2021/formulas/mathematics/middle-school/x2q5g60h9zz3zovzkcti6og4swfi4jks4o.png)
If 160 patients have appointments per month and
are boys:
160.
= 60
Per month, 60 boys have appointments at the medical office.