Reverse Percentages

Reverse Percentages

1. OA X MULTIPLIER = NA

2. I bought a jacket which was in a sale, and after being deducted by 20%, it cost £15. What was the original price?

   • OA x multiplier = NA
     • OA x 0.8 = 15
       • 15/0.8
         • £18.75

3. 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?

   • OA x multiplier = NA
     • OA x 1.03 = 2884
       • 2884/1.03
         • £2800