Albert is 2 times Mary’s age and 4 times as old as Betty. Mary is 14 years younger than Albert. How old is Betty?
Choose the correct choice from the following answers.
A) 5
B) 7
C) 10
D) 15
E) 18
A = 2M = M+14= 
<gadget id="calculator">+14</gadget>
<output>14</output>
14   A= 28   A = 47, and so 7 = 7   The answer is 7.
<result>B</result>
Albert is 2 times Mary’s age and 4 times as old as Betty. Mary is 14 years younger than Albert. How old is Betty?