If she cut off nine pieces of 2-inch ribbon, in all, that would be 18. After that, it would simply be the matter of subtracting 24 and 18.
24 - 18 = 6.
And there's your answer. Liz has 6 inches of ribbon left.
The answer is neither 108 or 900, but it is
V = 1357.17To solve, use the formula for the volume of a cone:

fill r with 6 and h with 36

When you solve that, you get 1357.17
125/186 cannot be simplified. It is already in simplest form.
Answer: You would put the parentheses here 24 divided by 6 x 2 - (1 +4)
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