Jim is now 18 years older than Betty. If in 8 years Jim will be twice as old as Betty, how old will Jim be in 4 years?	Choose the correct answer:  A) 30  B) 32  C) 34  D) 36  E) 38
J=B+18 so B=J-18.   J+8=2(B+8).   J+8=2(J-18+8).   J+8=2J-20.   J=28.   In 4 years, Jim will be 32 years old.   The answer is 32.
<result>B</result>
Jim is now 18 years older than Betty. If in 8 years Jim will be twice as old as Betty, how old will Jim be in 4 years?