Grade 10-12 Maths lit: Working with Percentages
00:00 Calculating a percentage of a value 04:30 Increasing a value by a percentage 13:40 Decreasing a value by a percentage 18:40 Express a part of a whole as a percentage 26:16 Determine percentage increase and decrease 32:45 Determine the original value after a percentage has been added or subtracted
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