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igor_vitrenko [27]
3 years ago
15

A theater has 49 seats in the first row 52 seats in the second row 55 seats in the third row how many seats are in the 16th row

Mathematics
1 answer:
devlian [24]3 years ago
3 0

Answer:

94 seats

Step-by-step explanation:

We solve using Arithmetic sequence formula

an = a + (n + 1)d

Where

a = First term = 49

d = Common difference = 52 - 49 or 55 - 52 = 3

n = 16th row

Hence,

a16 = 49 + (16 - 1)3

a16 = 49 + (15 × 3)

a16 = 49 + 45

a16 = 94

Therefore, the number of seats on the 16th row is 94 seats

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