6eggs/7days= 0.857 eggs/day
Given:

Taking the LCM as 6,

Applying the product rule to
:-

Now applying the product rule to 1/6:-

Hence, the answer.
4 hrs = 240 min.
Jazz = 1/6(240) = 40 min.
Therefore, Ivan's MP3 player has 40 min (2/3 hr) of jazz music.
A. (5/2,7/2)
When you look at the graph, giving a rough estimation, 5/2 is 2 1/2 and 7/2 is 3 1/2. The x and y can fit as the midpoint:)
45 is the estimate interval