Jacob is 39 years old. He is 3 times as old as his brother. How old will Jacob be when he is twice as old?	Choose the correct choice from the following answers.
A) 63  B) 64  C) 65  D) 76  E) 67
j=39;   j=3b;   b=39/3= 
<gadget id="calculator">39/3</gadget>
<output>13</output>
13;   twice as old so b=13(now)+(13)=26;   jacob is  39+26= 
<gadget id="calculator"> 39+26</gadget>
<output>65</output>
65   ANSWER:65
<result>C</result>
Jacob is 39 years old. He is 3 times as old as his brother. How old will Jacob be when he is twice as old?