Need help with this

Answer:
68° F
Step-by-step explanation:
We can rearrange this by isolating the variable for F. We can do this by:
[tex]C=\frac{5}{9}(F-32)\\ \frac{9}{5}C= F-32\\\ \\F= \frac{9}{5}C+32[/tex]
Now, for the second part, we can use this formula:
[tex]F= \frac{9}{5} 20+32[/tex]
F= 36+32
F= 68°