## Thinking Mathematically (6th Edition)

50° F Given formula C = $\frac{5}{9}$(F-32) Step 1: Substitute the value of F=50 in the given expression C = $\frac{5}{9}$(50-32) Step2: Solve the bracket (50-32) C = $\frac{5}{9}$(18) Step 3: Divide 18 by 9 and multiply the result with 5 C = 5(2) C = 10 Therefore the result is 10° C