Hi, thank you for posting your question here at Brainly.
This problem could be easily solved simply by subtracting 48 from 100. You just have to find the balance to determine the amount of Vitamin C you still need. In this case, it would be 52%, or if in a for of fraction, that would be 52/100, or simplified as 13/25.
A. 33/60=55%
b. 114/60=190%
c. .95•60=57
I believe that the best answer among the choices provided by the question is the second choice, <span>2.f^-1(3) when f(x)=2x+3/5</span>
Hope my answer would be a great help for you. If you have more questions feel free to ask here at Brainly.
The correct answers are 1. A, 2. C, 3. D, 4. C, 5. A