The sum of 77 consecutive integers is 7777. What is the greatest integer in the set?
Select.
A) 139	B) 141	C) 143	D) 145	E) 147
Let x be the first integer in the set. Then x+76 is the largest integer.   The sum is: x+(x+1)+(x+2)+...+(x+76)   = 77x + 76*77/2   = 77(x+38)   Then x+38=101   x=63   The largest integer in the set is  63+76= 
<gadget id="calculator"> 63+76</gadget>
<output>139</output>
139   The answer is 139.
<result>A</result>
The sum of 77 consecutive integers is 7777. What is the greatest integer in the set?