Difference between revisions of "2013 AMC 12A Problems/Problem 5"
Epicwisdom (talk | contribs) (Created page with "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. Tom, ha...") |
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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> | + | Thus, <math>t - d = 30 - 10 = 20</math>, which is B |
Revision as of 21:34, 6 February 2013
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.
Tom, having paid $
, owes Sammy $
, and Dorothy, having paid $
, owes Sammy $
.
Thus, 
, which is B
