jasminekizer21ow4t9b jasminekizer21ow4t9b

11-09-2017
Mathematics

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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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schipperryanryan schipperryanryan

11-09-2017

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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