1) Split the second term in
into two terms.

2) Factor out common terms in the first two terms, then in the last two terms.

3) Factor out the common term 

Answer:
448
Step-by-step explanation:
55 Divided by 880 is 448
<span>W=kr^3
1.20=8k
=> k = .15
So, W = .15r^3
When r=3 inch, W = .15*27 = 4.05 pounds
i hope this helps</span>