The concert hall contained 100 rows of seats on 24 chairs in each row after repair of the hall in each row it became six chairs more than number of rows decreased by 5 chairs there was more or less earlier than was and on how many

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of 100 rows of seats on 24 in everyone means 24*100=2400 After repair 5 less than a t, e, i95*30=2850 means 95 2850-2400=450 follows from here that chairs became 450 places more of 100*24=2400 (territories) - to repair (100-5)*(24+6)=2850 (territories) - after repair 2850gt; 2400 2850-2400=450 (territories). Answer: on 450 chairs became more after repair.
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Answer add