PLSSS HELP!! 50 POINTS AND BRAINLIEST!!!

A pot of water is being heated up. The temperature of the water can be modeled by this equation with y representing the temperature, in degrees Fahrenheit, and x representing the time, in minutes, that the water has been on the stove.

y = 9.5x + 62.1

After how many minutes will the temperature of the water be 138.1°F?

Enter your answer in the box.
min