The equation above relates the number of minutes, $x$, Maria spends running each day and the number of minutes, $y$, she spends biking each day. In the equation, what does the number 75 represent?
Difficulty: Easy
A:
The number of minutes spent running each day
B:
The number of minutes spent biking each day
C:
The total number of minutes spent running and biking each day
D:
The number of minutes spent biking for each minute spent running