The sum of three consecutive odd numbers is 20 more than the first of these numbers. What is the middle number?  Pick:
A) 5
B) 7
C) 9
D) 11
E) 10
Solution   Let the numbers be x, x+2,x+4   Then x,(x+2)+(x+4)= x+20   ‹=›2x = 14   ‹=›x= 7.   Therefore Middle number = x+2 = 9.   Answer 9
<result>C</result>
The sum of three consecutive odd numbers is 20 more than the first of these numbers. What is the middle number?