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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

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User Ramesh Murugesan
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8.0k points

1 Answer

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