If a is a digit in the number (a5,608 + 584)/88 = an integer, what is the value of a?  Choose the correct choice: A) 2 B) 1 C) 3 D) 7 E) 9
(a5,608 + 584)/88 = a6,192/88   Factors of 88 = (8)(11)   Divisible by 8: if the last 3 digits of the number are divisible by 8.   192/8= 
<gadget id="calculator">192/8</gadget>
<output>24</output>
24=&gt; So, we want divisible by 11.   Divisibe by 11: subtract the last digit from the number, over and over again, as necessary. If the remaining number is divisible by 11, the original number is divisible by 11.   a619-2 =&gt; a61-7 =&gt; a5-4= 
<gadget id="calculator">5-4</gadget>
<output>1</output>
&gt; a1=&gt; 11/11.= 
<gadget id="calculator">11/11.</gadget>
<output>1</output>
1.   Answer: 1
<result>B</result>
If a is a digit in the number (a5,608 + 584)/88 = an integer, what is the value of a?