Beneath earths surface, the temperature increases 10 degrees Celsius every kilometer. Suppose That the surface temperature is 22 degrees Celsius, and the temperature at the bottom of a coal mine is 45 degrees celcius. Which equation could be used to find the depth
d. of the coal mine?
a. 10d+22=45
b. 45d-10=22
c. d=22+10
d. 22=10d+45