Sumwise

What is 20% off 50?

20% off 50 = 40 (you save 10)

Sale price
40
You save
10
You pay
80%
Original
50

Sumwise · Maintained by Theo Abbott (pen name) · automated checks · Data: exact arithmetic; unit definitions from NIST SP 811 · Updated · How the checks work

How to work it out

  1. Work out the discount: 20% of 50 = 0.2 × 50 = 10
  2. Take it off the price: 50 − 10 = 40
  3. Check: Add the saving back: 40 + 10 = 50.

Another method. In one step: you pay 80% of the price, so 0.8 × 50 = 40. Both methods always give the same answer.

In a spreadsheet: =50*(1-20%). Taking the percentage of the price gives the saving, not the price you pay. Subtract it, or multiply by the share that is left.

What the result means

After 20% off, you pay 80% of the price: 40 instead of 50, a saving of 10.

Shopping: an item marked $50 with 20% off costs $40 at the till, before any sales tax.

Stacked discounts

20% off followed by another 20% off is 36% off in total, not 40%: the second discount applies to the lower price.

Related results

Results for nearby numbers
10% off 50

10% off 50 = 45 (you save 5)

15% off 50

15% off 50 = 42.5 (you save 7.5)

25% off 50

25% off 50 = 37.5 (you save 12.5)

30% off 50

30% off 50 = 35 (you save 15)

40% off 50

40% off 50 = 30 (you save 20)

50% off 50

50% off 50 = 25 (you save 25)

The other way round: 20% of 50. Two discounts do not add up: 20% off and then another 20% off leaves 32, not 30, because the second discount is taken of the lower price.

Practice

4% off 43
Show answer

4% off 43 = 41.28 (you save 1.72)

84% off 70
Show answer

84% off 70 = 11.2 (you save 58.8)

76% off 74
Show answer

76% off 74 = 17.76 (you save 56.24)

48% off 47
Show answer

48% off 47 = 24.44 (you save 22.56)

72% off 12
Show answer

72% off 12 = 3.36 (you save 8.64)

79% off 41
Show answer

79% off 41 = 8.61 (you save 32.39)

Calculate another

How answers are calculated and checked: methodology.

Questions

What is 20% off 50?

20% off 50 is 40: you save 10. Formula and steps for the sale price.

How much do I save with 20% off 50?

10. That is 20% of 50.

What was the price before 20% off if I paid 40?

50. Divide what you paid by 0.8, the share of the price that is left.