30% off an item would make that item valued at 70% of its original price
94 times 0.7 = 65.8
$65.80
Let the first term be a(0). Then the formula for a(n) is a(0)-18(n-1).
Check: What's the first term? Let n = 1: a(1) = a(0)-18(1-1) = a(0) (correct)
What's the second term? Let -n =2: a(2) = a(0)-18(2-1) = a(0) - 18
and so on.
Oh don't worry it means length,width and height so you multiply LxWxH
