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Each row of seats in an auditorium has 2 seats more than the previous row. If the twelfth row has 30 seats, then how many seats are in the first row

Each row of seats in an auditorium has 2 seats more than the previous row. If the twelfth row has 30 seats, then how many seats are in the first row
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Each row of seats in an auditorium has 2 seats more than the previous row. If the twelfth row has 30 seats, then how many seats are in the first row

User Ramesh Murugesan
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1 Answer

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the answer is 8. you count backwards from 30 by twos, twelve times. at the first row you end up with 8 left
User NagarjunaReddy
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