I think this is the answer. Because it doesn’t mention a leading coefficient but it’s a quadratic function so it would be
1(x-1/3)(x-5) and that should be your answer. The simplified version is down below
1/4 per day=4 days for one outfit so 4x18=72
The elapsed time is B, 2 hours and 25 minutes.
Use the line. line it up line up the triangle