Use the formula conversion:

where temperature in degrees Fahrenheit

remperature in degrees Celsius

Let be the quantity of ore.A mining company digs ore from a mountain side. Three-sixteenths of the ore is pure copper. How much of this ore would need to be refined in order to yield 150 pounds of pure copper?

Possible answers:

a.) 185 pounds

b.) 122 pounds

c.) 7200 pounds

d.) 800 pounds

Then you have to solve the equation