Reverse Percentages

Beschreibung

GCSE Maths (Year 8 Number 1) Mindmap am Reverse Percentages, erstellt von Ellen Billingham am 06/05/2013.
Ellen Billingham
Mindmap von Ellen Billingham, aktualisiert more than 1 year ago
Ellen Billingham
Erstellt von Ellen Billingham vor mehr als 11 Jahre
131
2

Zusammenfassung der Ressource

Reverse Percentages
  1. OA X MULTIPLIER = NA
    1. I bought a jacket which was in a sale, and after being deducted by 20%, it cost £15. What was the original price?
      1. OA x multiplier = NA
        1. OA x 0.8 = 15
          1. 15/0.8
            1. £18.75
      2. I invested some of my money in a bank and it earned 3% interest every year, if it had £2884 after one year, how much did I invest?
        1. OA x multiplier = NA
          1. OA x 1.03 = 2884
            1. 2884/1.03
              1. £2800
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