SOLUTION: Please help me with this application problem: Mary is three times as old as her son. in 12 years, Mary's age will be one year less than twice her sons age. How old is each now?

Question 703058: Please help me with this application problem:
Mary is three times as old as her son. in 12 years, Mary's age will be one year less than twice her sons age. How old is each now?
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!

let Mary's age be and her son's age
given:

Mary is three times as old as her son: .......eq.1

in years, Mary's age will be year than her sons age:
.......eq. 2
solve this system:
.......eq.1
.......eq. 2
_____________________________
.......eq. 2...substitute from eq. 1

.......son's age
and

.......Mary's age

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