On a weekend, 7 college friends went skiing and evenly split the cost of their cabin. If the amount paid by each person was an integer, which of the following could not have been the cost of the cabin? Pick.
A) $175 B) $210 C) $147 D) $560 E) $412
Each of the seven persons evenly splitting the cost is an integer amount, therefore check the divisibility by 7 for all answer choices.   175/7= 
<gadget id="calculator">175/7</gadget>
<output>25</output>
25   210/7= 
<gadget id="calculator">210/7</gadget>
<output>30</output>
30   147/7= 
<gadget id="calculator">147/7</gadget>
<output>21</output>
21   560/7= 
<gadget id="calculator">560/7</gadget>
<output>80</output>
80   412/7= 58.86   E is not an integer amount.   Answer:$412
<result>E</result>
On a weekend, 7 college friends went skiing and evenly split the cost of their cabin. If the amount paid by each person was an integer, which of the following could not have been the cost of the cabin?