Khan Academy
Khan Academy: Algebra: Growing by a Percentage
This video demonstrates how to find the new value of a number after it grows by a given percent. It also shows to set up and solve an algebraic equation in order to determine the original amount before a certain number grows by a given...
Virtual Nerd
Virtual Nerd: How Do You Figure Out Sales Tax?
Always figure out your total cost before you check out to stay within budget. Watch this tutorial and learn how to calculate sales tax. [2:19]
Sophia Learning
Sophia: Increase Percent of Change
This video tutorial explores how to determine the increased percent of change in a money problem. The lesson includes a detailed example.