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Arithmetic Sequence Question

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by vijaynaik » Sun Aug 15, 2010 10:30 pm
t1 = 23;
t2 = 23 -3 = 20
t3 = 20 -3 = 17 since each number is 3 less than the previous number

sequence is 23 - (n-1)3

23 - 3n +3 = -4;
30 = 3n;
n = 10;
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by RickH » Mon Aug 16, 2010 4:55 am
Thanks man
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