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Age Word Problems  Concept
Alissa Fong
Alissa Fong
MA, Stanford University
Teaching in the San Francisco Bay Area
Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts
Setting up a system of equations is usually effective when solving age word problems involving the ages of two people. Knowing how to solve systems of equations is necessary to solve these types of problems. Other types of word problems involving systems of equations include mixture problems, money word problems, work word problems and rate word problems.
There are a lot of trick Math word problems out there and one of the types you're probably going to run into relates to age. You're going to be given 2 people and you're going to be asked about their relative ages, and you're going to be along those same lines thinking about the passage of time. So when you're doing these problems it's really important to keep track of their current age versus their age in the future or past depending on the problem.
Another thing to keep in mind is that if you're adding time like if time's going by between one equation and the next make sure you're adding that time to the age of both people. If you only add to one person you're going to end up with the wrong equations and the wrong answers. So there's this all passage of time it sounds kind of like metaphysical and these like fancy stuff, that's why you really have to be careful to show all of your work and then please check your work at the end and make sure you have a solution that makes sense in the real world.
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Alissa Fong
M.A. in Secondary Mathematics, Stanford University
B.S., Stanford University
Alissa has a quirky sense of humor and a relatable personality that make it easy for students to pay attention and understand the material. She has all the math tips and tricks students are looking for.
Your tutorials are good and you have a personality as well. I hope you have more advanced college level stuff, because I like the way you teach.”
Thanks alot for such great lectures... I never found learning this easier ever before... keep up the great work.... :)”
You seem so kind, it's awesome. Easier to learn from people who seem to be rooting for ya!' thanks”
Concept (1)
Sample Problems (3)
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Age Word Problems
Problem 1 6,333 viewsA father is 26 years older than his daughter. In 4 years, the father will be 2 more than 5 times her age.
Find each of their ages. 
Age Word Problems
Problem 2 4,317 viewsZach is 4 years older than Nico. 6 years ago, Zach's age was twice Nico's age.
How old are they now? 
Age Word Problems
Problem 3 410 views
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