Albert is 2 times Mary’s age and 4 times as old as Betty. Mary is 22 years younger than Albert. How old is Betty?  Answers:
A) 8  B) 9  C) 11  D) 15  E) 18
A = 2M = M+22= 
<gadget id="calculator">+22</gadget>
<output>22</output>
22   A= 44   A = 4B, and so B = 11   The answer is 11.
<result>C</result>
Albert is 2 times Mary’s age and 4 times as old as Betty. Mary is 22 years younger than Albert. How old is Betty?