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- Woman and Son Age Problem
- A Woman is now 30 years older than her son. 15 years ago, she was twice as old. What are the present ages of the woman and her son?
Using the calculator shown below, teachers and students can simulate different scenarios by
changing the right hand side value of equation 1, equation 2 or both.
X +
Y =
Equation 1
X + Y = Equation 2
Answer, Woman age, X =
Answer, Son age, Y =
HOW TO USE:
Enter new number in input box. Answer is automatic
To check your answer substitute the value of X and Y in both equation 1 and equation 2.
To do "what if " scenario analysis , just change any variables.
Visit Determinant of 2 x 2 Matrix for more explanation on how this automatic scenario analysis becomes possible
IMPORTANT to enter 1 if there is no constant on X and Y. For negative number enter the negative sign, for example, -1. Do not include the comma symbol , because it will display Not a Number (NaN) error message.
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