You formatted the equation wrong for the setting your calculus on i would recommend using a Ti-34
117.93 is greater than 117.859 by .035.
Carrie could have 3 vases filled with 100 marbles, and 4 vases filled with 10 marbles. Hope I helped!
Is that the Algebra work/practice book? If so, go into algebra nation and they have videos where they go step by step through the questions. Hope this helps?