Percentages (Grade 12 NSC Matric Mathematical Literacy): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
ShowHide
Practise the cards
10 cards from this deck
Fundamental rule for % calculations
Fundamental rule for % calculations
percent × whole = new amount
Meaning of 'of' in maths
Meaning of 'of' in maths
Multiply
Formula: find unknown amount (Type 1)
Formula: find unknown amount (Type 1)
percent × whole = new amount
Formula: find unknown % (Type 2)
Formula: find unknown % (Type 2)
percent = amount ÷ whole
Formula: find unknown whole (Type 3)
Formula: find unknown whole (Type 3)
whole = amount ÷ percent
Rule for % increase
Rule for % increase
whole + (percent × whole)
Rule for % decrease
Rule for % decrease
whole - (percent × whole)
VAT rate
VAT rate
14%
VAT-exclusive to VAT-inclusive
VAT-exclusive to VAT-inclusive
Multiply by 1.14
VAT-inclusive to VAT-exclusive
VAT-inclusive to VAT-exclusive
Divide by 1.14