# Difference between revisions of "2013 AMC 12A Problems/Problem 5"

Turkeybob777 (talk | contribs) m |
Turkeybob777 (talk | contribs) m |
||

Line 2: | Line 2: | ||

Add up the amounts that Tom, Dorothy, and Sammy paid to get $<math>405</math>, and divide by 3 to get $<math>135</math>, the amount that each should have paid. | Add up the amounts that Tom, Dorothy, and Sammy paid to get $<math>405</math>, and divide by 3 to get $<math>135</math>, the amount that each should have paid. | ||

− | ==Solution | + | ==Solution== |

Tom, having paid $<math>105</math>, owes Sammy $<math>30</math>, and Dorothy, having paid $<math>125</math>, owes Sammy $<math>10</math>. | Tom, having paid $<math>105</math>, owes Sammy $<math>30</math>, and Dorothy, having paid $<math>125</math>, owes Sammy $<math>10</math>. | ||

Thus, <math>t - d = 30 - 10 = 20</math>, which is <math>\boxed{\textbf{(B)}}</math> | Thus, <math>t - d = 30 - 10 = 20</math>, which is <math>\boxed{\textbf{(B)}}</math> |

## Revision as of 12:41, 22 February 2013

## Problem

Add up the amounts that Tom, Dorothy, and Sammy paid to get $, and divide by 3 to get $, the amount that each should have paid.

## Solution

Tom, having paid $, owes Sammy $, and Dorothy, having paid $, owes Sammy $.

Thus, , which is