02:01 duration 2 minutes 1 second
Finding the total cost including tax or markup
Uses the technique of adding the percentages fiirst before multiplying so that the answer is immediate.
01:30 duration 1 minute 30 seconds
Finding a percentage of a total amount without a…
Finding a percentage of a total amount without a calculator: Sales tax, commission, discount
Just finding the amount of increase or decrease in these types of percent problems.