Answer:
A1 = 18
A(n) = A (n-1) -2
Step-by-step explanation:
N represents the number in a sequence and the difference in the sequence is -2 since each time the number is listed in the sequence it is divide by 2.
I'm assuming you mean

Write the 2 as a fraction 2/1 and multiply.
$0.85 * 4 = $3.40
$6.40 - $3.40 = $300
Brussel sprouts per pound = $300 / 4
= $0.75
Answer:
0.25in.
Step-by-step explanation:
5÷20=0.25in.