2 years ago

(08.01)

Mathematics

2 answers:

Serggg [28]2 years ago

6 0

Answer:

there are 114 seats in the 23rd row

Step-by-step explanation:

alexandr1967 [171]2 years ago

3 0

The given in the problem above is an arithmetic sequence with the first term equal to 4 and the common difference is 5. To determine the number of seats on row 23, use the formula,

an = a1 + (n - 1) d

Solving for the 23rd term,

an = 4 + (22) 5 = 114 seats

Therefore, the answer is there are 114 seats on the 23rd row.

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