If x is equal to the sum of the integers from 20 to 30, inclusive, and y is the number of EVEN integers from 20 to 30, inclusive, what is the value of x+y ?  Choose the correct choice from the following options
A) 171 B) 281 C) 361 D) 461 E) 561
sum s= n/2{2a+(n-1)d} = 11/2{2*20+ (11-1)*1} =11*25= 
<gadget id="calculator">11*25</gadget>
<output>275</output>
275=X   number of even number =( 30-20)/2 +1= 
<gadget id="calculator">( 30-20)/2 +1</gadget>
<output>6</output>
6= Y   X+Y = 275+6= 
<gadget id="calculator">275+6</gadget>
<output>281</output>
281   281
<result>B</result>
If x is equal to the sum of the integers from 20 to 30, inclusive, and y is the number of EVEN integers from 20 to 30, inclusive, what is the value of x+y ?