# MATH - Age Word Problem

by KIKI

(Chicago,IL USA)

1. develop a mathematical model

2. Solve the equations for the unknown values.

Instructions are given in Week One.

List your name and current age, and the names and ages of two other people. One person should be older than you, and the other person should be younger.

At the time you were born, how old was the oldest person?

Write an equation which can be used to determine what both ages will be when the sum of the older person’s age and your age add up to 150.

Explain the reasoning which helped you develop your equation.

Solve for those future ages.

Do the ages add up to 150?

How old were you when the youngest person was born?

Write an equation which describes how old you will be when you are 3 times as old as the younger person.

Explain your reasoning.

Solve for both ages using your equation.