500
In computer class, Mae types 122 words in 2 minutes, and 182 words in 3 minutes. As she continues to type, she finds that she types 240 words in 4 minutes, 368 words in 6 minutes, and 538 words in 9 minutes. Find a line of best fit to describe the relationship between number of minutes (x) and words typed (y).
y = 60x + 3