The school newspaper is deciding which school typist to hire. Jack can type 300 words in 5 minutes, Luke can type 220 words in 4 minutes and Ian can type 399 words in 7 minutes. Henry, who already works at the paper can type 162 words in 3 minutes. Does Henry type at a faster rate than Luke? Should Jack, Luke or Ian be hired for the job of typist? Explain your answer. Use a ratio table to show your work.