Question 1203850
<pre>
             M     B    S    P  Tot.
Ages 18-30 | 3% | 18%| 11%|  A%|  B%|    
Ages 31-50 | 7% |  4%|  C%|  1%|  D%|    
Ages 51-75 | E% | 10%|  5%|  7%| 34%|
-----------|----|----|----|----|----|    
Total      | F% | 32%|  G%| 17%|100%| 

Use the P column to find A, and the Ages 51-75 row to find E
Fill those in.
Use the Ages 18-30 row to find B and the M column to find F
Fill those in.
Use the Tot. column to find D, and the Total row to find G
Fill those in.
Use the Ages 31-50 row to find C and as a check on C use column S.

Now you can answer the question.

But one of the other tutors will probably have done it all for you
so you won't have to do a thing but copy it and turn it in.  No
learning required.

Edwin</pre>
Later:  I was right.  Copy it, turn it in, and learn nothing!
Still later.  I was wrong! Two other tutors did it for you, not just one.
Happy copying, turning in, and nothing-learning! <font face="wingdings" size=6>J</font>