Question

A hall had 500 seats initially. After reconstruction, the total number of seats became 10% less, the number of rows were reduced by 5, but the number of seats in each row was increased by 5. How many rows and how many seats in a row were there initially in the hall ?

Answer 1

Answer:

20 rows 25 seats

Step-by-step explanation:

500- 50 = 450 total seats

r *s =500

( r-5 )(s+5) = 450

15 *30 = 450