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  • 25-01-2017
  • Mathematics
Answered

John is twice as old as Mary. The sum of their ages is 52. How old is Mary? If J = John's age and M = Mary's age, which system of equations could be used to solve the problem?

Verified Answer :

Anonymous Anonymous
  • 25-01-2017

Let, the age of Mary = M
Age of John = J = 2M

System of Equation would be: M + J = 52
or M + 2M = 52
3M = 52
M = 52/3
M = 17 1/3 Years
J = 34 2/3 Years

Hope this helps!

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