Adam who is 20 years old is 4 times as old as Mary. What will be Mary – McqOptions

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1.	Adam who is 20 years old is 4 times as old as Mary. What will be Mary s age when Adam is twice as old as her?
A.	30 years
B.	17 years
C.	35 years
D.	15 years
Answer» E.

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