Which of the following options is the possible total number of people in a hall given that the number of people is a multiple of both 7 and 13.?	Pick one:	A) 87	B) 65	C) 35	D) 39	E) 91
the number of people are a multiple of both 7 and 13, so it must be divisible by 7 and 13.   using the elimination method look for a number that is both divisible by 7 and 13,   of all the options only 91 is divisible by 7 and 13.   [   91/7= 
<gadget id="calculator">  91/7</gadget>
<output>13</output>
13 and   91/13= 
<gadget id="calculator">  91/13</gadget>
<output>7</output>
7]   answer :91
<result>E</result>
Which of the following options is the possible total number of people in a hall given that the number of people is a multiple of both 7 and 13.?