SOLUTION: There are 912 yellow chairs and blue chairs altogether in an auditorium. The blue chairs are arranged in 36 rows with 12 chairs in each row. The yellow chairs are arranged in rows

Algebra ->  Rectangles -> SOLUTION: There are 912 yellow chairs and blue chairs altogether in an auditorium. The blue chairs are arranged in 36 rows with 12 chairs in each row. The yellow chairs are arranged in rows       Log On


   

Question 921511: There are 912 yellow chairs and blue chairs altogether in an auditorium. The blue chairs are arranged in 36 rows with 12 chairs in each row. The yellow chairs are arranged in rows of 20. How many rows of yellow chairs are there?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
The number of blue chairs is:
+36%2A12+=+432+
The number of yellow chairs is:
+912+-+432+=+480+
and
The number of rows is:
+480+%2F+20+=+24+