If 5 < x < 9 and y = x + 3, what is the greatest possible integer value of x + y?
Options.
A) 19  B) 20  C) 21  D) 22  E) 23
x+y = x+x+3 = 2x+3   We need to maximize this value and it needs to be an integer.   2x is an integer when the decimal of x is .0 or .5   The largest such value is 8.5   Then x+y = 8.5 + 11.5= 
<gadget id="calculator">8.5 + 11.5</gadget>
<output>20</output>
20.   The answer is 20.
<result>B</result>
If 5 < x < 9 and y = x + 3, what is the greatest possible integer value of x + y?