Consider four consecutive integers. What is the sum of the 2nd and fourth numbers if the first number is 13?	Choose the correct option.
A) 26 B) 19 C) 30 D) 43 E) None
1st = x = 13   2nd = x+1   3rd = x+2   4th = x+3   ------   sum of 2nd and fourth numbers::   x+1+x+3 = 13+1+13+3= 
<gadget id="calculator">13+1+13+3</gadget>
<output>30</output>
30   Answer 30
<result>C</result>
Consider four consecutive integers. What is the sum of the 2nd and fourth numbers if the first number is 13?