16500 Rounded to the nearest ten thousand is 20,000
The length is 12, because if it's 9 inches wide it has two sides of 9 inches which is 18. Then subtract that from the intial value 42 to get 24. After, you divide 24 by 2 due to there being 2 sides of the box and 24 is the sum of both sides. Hopethis helps!
I think 6 1/2,but I could be wrong so take that with a grain of salt
W + 54 = s
w + 54 = 72
Answer: C
Hope this helps!! :)
