The equation y = 0.625x – 2.7 can be used to predict the number of minutes, y, it takes Kahlil to check x emails. On Monday, Kahlil spent 25 minutes checking emails. On Tuesday, he checked 35 emails. Which is an accurate comparison? He spent 6 minutes more checking emails on Tuesday. He spent 6 minutes more checking emails on Monday. He spent 9 minutes more checking emails on Tuesday. He spent 9 minutes more checking emails on Monday.
To evaluate, calculate the total time it took Kahlil to read emails on Tuesday. yy (minutes) = (35 mails x .625) - 2.7 = 19.175 minutes. So comparing the total time it took Kahlil to read his email on Monday (25 minutes) and Tuesday (19.175 minutes), he spent 6 minutes more checking emails on Monday.
