Asked by ENIOLA

FIND THE NUMBER OF TERMS IN THE A.P 11,14,17...83
Answered by Reiny
a = 11
d = 3

term(n) = a + (n-1)d
83 = 11 + (n-1)(3)
72 = 3n - 3
3n = 75
n = 25

83 is the 25th term

check:
term(25) = a + 24d
= 11 + 24(3) = 83
Answered by Elizabeth
Dont understand, help me
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