If x is equal to the sum of the integers from 40 to 50, inclusive, and y is the number of EVEN integers from 40 to 50, inclusive, what is the value of x+y ?	Select: A) 171 B) 281 C) 391 D) 501 E) 613
sum s= n/2{2a+(n-1)d} = 11/2{2*40+ (11-1)*1} =11*45= 
<gadget id="calculator">11*45</gadget>
<output>495</output>
495=X   number of even number =( 50-40)/2 +1= 
<gadget id="calculator">( 50-40)/2 +1</gadget>
<output>6</output>
6= Y   X+Y = 495+6= 
<gadget id="calculator">495+6</gadget>
<output>501</output>
501   501
<result>D</result>
If x is equal to the sum of the integers from 40 to 50, inclusive, and y is the number of EVEN integers from 40 to 50, inclusive, what is the value of x+y ?