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2 years ago

10

An auditorium has 20 seats on the first row, 24 seats on the second row, 28 seats on the third row, and so on and has 30 rows of

seats. How many seats are in the 30th row?

1 answer:

Lilit [14]2 years ago

8 0

Answer:

140

Step-by-step explanation:

20+4(s)=

20+4(30)=

20+ 120=

140

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