What is the 17th term of the arithmetic sequence 16, 20, 24, ?

What is the 17th term of the arithmetic sequence 16, 20, 24, ?
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faliryr
The arithmetic sequence is
16, 20, 24

The common difference d of this sequence is
d=20−16=4

The formula for ${n}_{th}$ of an arithmetic series is:
${a}_{n}={a}_{1}+\left(n-1\right)\left(d\right)$

Here, ${a}_{1}=16,d=4,n=17$

So, a17=16+(17−1)(4)

=16+64
=80