Nh term to 25 20 15 10 5

1 answer:

5 0

$a_n=a_1+(n-1)d\\\\
a_1=25\\
d=-5\\\\
a_n=25+(n-1)\cdot(-5)\\
a_n=25-5n+5\\
\boxed{a_n=-5n+30}$

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