A track coach records three sprinters' statistics throughout the season. The median 400-meter race time, in seconds, and the interquartile range, iqr, for each athlete are recorded in the table below.

Time's up got my coins up, my bars up, soon we find 'em we gon' slide 'em, we lined 'em, straight reclined 'em pistol grip, i got all kinds of, i'm not your driver shot gon' hit him, he won't answer, i'm blowin’ ganja so much work, they call me old school, i remind ya that bisshhh you think you got is not you, where you find her? she a kickstand, a big fan, i get behind her then i slid it in, i win, i win, ayy

The y-value if a data point corresponding to x1

How many liters of 60% alcohol solution should be added to 40 liters of a 20% alcohol solution to make a 50% solution?