Reverse Percentage

Mary bought a coat which cost $420 after a 30% discount. What is the original price of the coat?

Answer explanation

100% - 30% = 70%

70% -> $420

1% -> $6

100% -> $600

In order to bring in a new laptop from China, Ken has to pay the price of the laptop and an additional of 20% import tax on the price of the laptop. In total, Ken paid $6000. How much is the original price of the laptop before tax?

Answer explanation

100% + 20% = 120%

120% -> $6000

1% -> $50

100% -> $5000

A dress is offered for £105 in a 30% sale. How much does it normally cost?

• £210

• £136.50

• £150

• £73.50

Answer explanation

30% off the sale value reversed.

30% off the multiplier = 0.7

Reverse means we need to divide so

105/0.7=150

The price of a chocolate box has increased by 15%. The box now costs £17.25, what was the original cost?

• £15

• £12.50

• £23.00

• 10

Answer explanation

A 15% cost increase reversed

The multiplier for a 15% increase =1.15

Reverse means to divide the new amount to return to the original figure,

so 17.25/1.15= 15

If a shirt is on sale for 25% off and costs $30, what was the original price?

• $40

• $45

• $25

• $35

If 15% of a number is 9, what is the number?

• 45

• 60

• 75

• 30

If a phone is discounted by 40% and now costs $300, what was the original price?

• $500

• $400

• $250

• $750

If 40% of a number is 80, what is the number?

• 160

• 100

• 200

• 120

If 12 is 30% of a number, what is the number?

• 40

• 50

• 35

• 25

If a dress is discounted by 50% and now costs $50, what was the original price?

• $100

• $40

• $75

• $30