AMC8 2013 Problem 4

Eight friends ate at a restaurant and agreed to share the bill equally. Because Judi forgot her money, each of her seven friends paid an extra \$ 2.50 to cover her portion of the total bill. What was the total bill?
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Answer Choices
A. \$ 120
B. \$ 128
C. \$ 140
D. \$ 144
E. \$ 160