A theater has 35 rows of chairs. The first row has 20 chairs, the second has 22, the third has 24, and so on. In total, the theater seats _____ people.
Added by Monique B.
Step 1
Since each row has 2 more chairs than the previous one, the last row will have 20 + (35-1)*2 = 88 chairs. Show more…
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