As a farmer, Carter keeps a close eye on the weather. After a few stressful weeks with no rain, Carter was relieved when it started raining one morning. It rained
steadily all day, and Carter periodically checked to see how much rain had fallen.
There is a proportional relationship between the amount of time (in hours) it had
been raining, x, and the amount of rain (in inches) that had fallen, y.
After 4 hours, a total of 1 inch of rain had fallen. Write the equation for the relationship
between x and y.
y =