Difference between revisions of "2011 AMC 10B Problems/Problem 4"
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== Solution == | == Solution == | ||
− | The difference in how much LeRoy and Bernardo paid is <math>B-A</math>. To share the costs equally, LeRoy must give Bernardo half of the difference, which is <math>\boxed{(C) \frac{B-A}{2}}</math> | + | The difference in how much LeRoy and Bernardo paid is <math>B-A</math>. To share the costs equally, LeRoy must give Bernardo half of the difference, which is <math>\boxed{(C) \;\frac{B-A}{2}}</math> |
== See Also== | == See Also== |
Latest revision as of 13:01, 11 March 2019
Problem
LeRoy and Bernardo went on a week-long trip together and agreed to share the costs equally. Over the week, each of them paid for various joint expenses such as gasoline and car rental. At the end of the trip it turned out that LeRoy had paid dollars and Bernardo had paid dollars, where . How many dollars must LeRoy give to Bernardo so that they share the costs equally?
Solution
The difference in how much LeRoy and Bernardo paid is . To share the costs equally, LeRoy must give Bernardo half of the difference, which is
See Also
2011 AMC 10B (Problems • Answer Key • Resources) | ||
Preceded by Problem 3 |
Followed by Problem 5 | |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | ||
All AMC 10 Problems and Solutions |
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