Percent of Change.

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Presentation transcript:

Percent of Change

To find the percent of change: BACK

Example #1 If a stock was $15 yesterday, and today it closed at $13. What is the percent of decrease? What is the amount of change? Amount of Change Original Amount BACK

Example #2 To use a payphone in the 1950’s it cost $0.10. Today it costs $0.35. What is the percent of increase? BACK

Example #3 The price of a widget has gone up by 16⅔%, or 10¢. What is the old price? Amount of change = 0.10 Percent of change as a decimal = 0.1667 BACK

If Matt bought a motorcycle for $3000, how much would the tax be If Matt bought a motorcycle for $3000, how much would the tax be? What would his total cost be? Sales tax is 6.5% or 0.065 Tax = $195 Total Cost = $3000 + $195 = $3195

Percent of Change Once you are done writing notes, complete this assessment below and show me your score: http://www.quia.com/rr/230204.html BACK