If Mary is twice as old as Ann was when Mary was as old as Ann is now, and Mary is 32, how old is Ann?
A.
20
B.
24
C.
32
D.
None of the above
Exam No：2018 First Round Grade 7 Year：2018 Question No：21
Answer:
B
Knowledge points:
G7 - Algebra - Multi-Step Linear Equations
Solution:
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