SOLUTION: A room contains 500 chairs. The number of chairs per row is five less than the number of rows. Find the number of rows and the number of chairs per row

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Question 1198157: A room contains 500 chairs. The number of chairs per row is five less than
the number of rows. Find the number of rows and the number of chairs per
row
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
r, how many rows
(r-5), how many chairs per row
500, how many chairs

r%28r-5%29=500
-
.
r%28r-5%29=20%2A25=25%2A20

25 rows of chairs
20 chairs in each row