Of the integers between 100 and 799, inclusive, how many do not have digit 3 and 6?
Choose the most appropriate option.
A) 310  B) 520  C) 410  D) 420  E) 320
Options for the first digit 7-2(2 and 5)=5;   Options for the second digit 10-2= 
<gadget id="calculator">10-2</gadget>
<output>8</output>
8;   Options for the third digit   10-2= 
<gadget id="calculator">  10-2</gadget>
<output>8</output>
8;   Total numbers possible 5*8*8= 
<gadget id="calculator">5*8*8</gadget>
<output>320</output>
320.   Answer: 320
<result>E</result>
Of the integers between 100 and 799, inclusive, how many do not have digit 3 and 6?