Carol is Four times Alice’s age but only twice as old as Betty. Alice is eighteen years younger than Carol. How old is Betty?
Choose the correct choice
A) 6  B) 9  C) 12  D) 18  E) 24
ans B..9..   given that C=4A=29..AND A=C-18=4A-18   substituting the values A=6,C=18 AND 9=9..
<result>B</result>
Carol is Four times Alice’s age but only twice as old as Betty. Alice is eighteen years younger than Carol. How old is Betty?