Why the graph is plotted in a horizontal pattern from 0 to 100 minutes​

Janet is mixing a 15% glucose solution with a 35% glucose solution. this mixture produces 35 liters of a 19% glucose solution. how many liters of the 15% solution is januet using in the mixture? a. 25 liters c. 28 liters b. 7 liters d. 10 liters

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.