On a weekend, 11 college friends went to the beach and evenly split the cost of their beach house. If the amount paid by each person was an integer, which of the following could not have been the cost of the beach house?
Answers.
A) $121  B) $568  C) $484  D) $363  E) $319
Each of the seven persons evenly splitting the cost is an integer amount, therefore check the divisibility by 11 for all answer choices.   121/11= 
<gadget id="calculator">121/11</gadget>
<output>11</output>
11   568/11= 51.64   484/11= 
<gadget id="calculator">484/11</gadget>
<output>44</output>
44   363/11= 
<gadget id="calculator">363/11</gadget>
<output>33</output>
33   319/11= 
<gadget id="calculator">319/11</gadget>
<output>29</output>
29   B is not an integer amount.   Answer:$568
<result>B</result>
On a weekend, 11 college friends went to the beach and evenly split the cost of their beach house. If the amount paid by each person was an integer, which of the following could not have been the cost of the beach house?