Answer:
f(1/3) = 9
Step-by-step explanation:
f(x)=1/x+2/x
Combine terms
f(x) = 3/x
f(1/3) = 3 / (1/3)
f(1/3) = 9
The fraction of boys to total students would be 5/8
The fraction of boys to girls would be 5/3
Answer: 12.9
Step-by-step explanation: When any number is in parenthesis, you multiply it by the other numbers/variables.
