Alice is now 10 years older than Bob. If in 6 years Alice will be twice as old as Bob, how old will Alice be in 5 years?	Choose the correct choice from the following answers:
A) 19
B) 21
C) 23
D) 25
E) 27
A=B+10 so B=A-10.   A+6=2(B+6).   A+6=2(A-10+6).   A+6=2A-8.   A=14.   In 5 years, Alice will be 19 years old.   The answer is 19.
<result>A</result>
Alice is now 10 years older than Bob. If in 6 years Alice will be twice as old as Bob, how old will Alice be in 5 years?