in an auditorium the no. of rows was equal to no. of seat in each row. if the no. of row is double and the no. of seat in each row is reduce by 5,then the total no. of seat is increased by 375. how many rows were these?
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Answer:
190 rows
Step-by-step explanation:
let the no. of rows be x
if the number of rows doubled = 2x
no of seats in each row rduced by 5 = 2x-5
total no of seats increased by 375
hence 2x-5= 375
2x= 380
X=190
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