The school auditorium has 60 rows of seats. Each row can hold 15 students. If there are240 students graduating, how many rows will be filled with students, and how many rowswill still have empty seats?

In a row, there are 75 students. Alex is standing at the 42nd position from the left, and Sarah is standing at the 49th position from the right. How many students are standing between Alex and Sarah in the row?

There are 100 seats in an auditorium, 80 of which were occupied during the first half of a concert. During the intermission, 20 percent of the people who had been occupying seats left and did not return. How many empty seats were there during the second half of the concert if no one was admitted to the auditorium after the conert began?

James went to the theatre to watch a concert with his family. The theatre had 1750 seats. There were 60% fewer $50-seats than $30-seats. 50% of the $30-seats and some $50-seats were sold. A total of $20 000 was collected. How many seats were unsold?

The number of seats in a small theatre of x rows of 16 seats is 16x. If there are 8 rows, howmany seats are there?

Darwin chapelle is 15th from the left end of a row of 30 students and Monika srivastav is 20 th from the right end in the same row. How many students are there between them in the row?