# How Old is Your Dog in Human Years?

This video compares two models for determining a dogs age in human years.

# Applications: One Step Equations Involving Multiplication or Division

This video explains how to solve three applications involving one step equations with multiplication or division.

# Determine Someone’s Age From Their Phone Number (2017)

This video explains a fun and simple calculation to determine someone’s age.

# Ex: Exponential Model – Determine Age Using Carbon-14 Given Half Life

This video explains how to use half like to determine an exponential decay rate and then determine how old an artifact is given a percent of carbon-14 remaining.

# SAT Math (Algebra and Functions) – Practice 2.4

The video provides an explanation of a practice SAT math question involving algebra and functions.  View or download the practice questions at http://www.ck12.org.

# Example of Problem Solving With Whole Numbers: Age Problem

```This video provides an example of solving an age problem given the relationship of the ages of three people.
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