Flashcards
Percentages
Flashcards do conjunto (4)
- 1PercentagesType 1: Find x% of y
E.g. Find 15% of £46 = 0.15 x 46 = £6.90
E.g. Find 19% of £80 = £15.20
E.g. Find 72% of £49 = £35.28 - 2PercentagesType 2: Express x as a percentage of y
E.g. Give 40p as a percentage of £3.34 = (40/334) x 100 = 12%
E.g. Give 80p as a percentage of £4 = 20% - 3PercentagesType 3: Identified by not giving the 'original value'
E.g. A house increases in value by 20% to £72,000 Find what it was worth before
ADD the percentage to 100% then divide.&x 100 = £60,000
E.g. 45% increase £90,000 = 62,068
E.g. 20% decrease £5000= 6250 - 4PercentagesPercentage Change:
= "Change"/Original x 100
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- FlashCards sobre Percentages , criado por Shonnag Scutt em 23-10-2015.
- Criado por
- Shonnag Scutt
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