2013 AMC 8 Problems/Problem 4

Problem

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?

$\textbf{(A)}\ \text{\textdollar}120\qquad\textbf{(B)}\ \text{\textdollar}128\qquad\textbf{(C)}\ \text{\textdollar}140\qquad\textbf{(D)}\ \text{\textdollar}144\qquad\textbf{(E)}\ \text{\textdollar}160$

Solution

Since Judi's 7 friends had to pay $2.50 extra each to cover the total amount that Judi should have paid, we can multiply$ 2.50 by 7, which is equal to $17.50. We can now tell that$ 17.50 is the amount that each of her friends needed to pay, such that Judi didn't forget her money. So, we multiply $17.50 by 8 and get$ 140 is the total amount of the meal, which is C

2013 AMC 8 (Problems • Answer Key • Resources)
Preceded by Problem 3	Followed by Problem 5
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All AJHSME/AMC 8 Problems and Solutions

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2013 AMC 8 Problems/Problem 4

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