The average July temperature in London is 9*c. The average July temperature in Washington, D.C. is 80*F. Which city is hotter in July? Explain your answer.
Converting 9° C to F, we have
F = (9/5)C + 32 =
(9/5)(9) + 32 =
81/5 + 32 =
48.2° F
So, D.C. is hotter (by a lot!!)
