Tuesday, July 4, 2017

How to work out percentages without a calculator Part 2.wmv


Also see: Working Out Percentages On a Calculator

The post How to work out percentages without a calculator Part 2.wmv appeared first on Verandi.org.



source http://verandi.org/how-to-work-out-percentages-without-a-calculator-part-2-wmv/
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