Difference between revisions of "2013 AMC 10A Problems/Problem 5"
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==Problem== | ==Problem== | ||
− | Tom, Dorothy, and Sammy went on a vacation and agreed to split the costs evenly. During their trip Tom paid | + | Tom, Dorothy, and Sammy went on a vacation and agreed to split the costs evenly. During their trip Tom paid $105, Dorothy paid $125, and Sammy paid $175. In order to share costs equally, Tom gave Sammy <math>t</math> dollars, and Dorothy gave Sammy <math>d</math> dollars. What is <math>t-d</math>? |
Revision as of 21:56, 21 September 2022
Contents
[hide]Problem
Tom, Dorothy, and Sammy went on a vacation and agreed to split the costs evenly. During their trip Tom paid $105, Dorothy paid $125, and Sammy paid $175. In order to share costs equally, Tom gave Sammy dollars, and Dorothy gave Sammy dollars. What is ?
Solution 1
The total amount paid is . To get how much each should have paid, we do .
Thus, we know that Tom needs to give Sammy 30 dollars, and Dorothy 10 dollars. This means that .
Solution 2
The difference in the money that Tom paid and Dorothy paid is . In order for them both to have paid the same amount, Tom must pay more than Dorothy. The answer is .
See Also
2013 AMC 10A (Problems • Answer Key • Resources) | ||
Preceded by Problem 4 |
Followed by Problem 6 | |
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 |
2013 AMC 12A (Problems • Answer Key • Resources) | |
Preceded by Problem 4 |
Followed by Problem 6 |
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 12 Problems and Solutions |
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