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Hope this helps. It has the y and x intercepts on the graph.
Mixed number=4 8/10=4 4/5
improper fraction=48/10=24/5
She had 18 to start with because when you multiply 4 by 2 it’s 8, so then you add 8 to 10 which is 18.
1. The total cost for the nails is $12.784 rounded to $12.78.
2. The total cost of the meal including tip is $49.65.