80 percent off 90

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%
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What is 80% off 90?

Answer

80% off 90 is
18

You save 72 · you pay 20%

Price 90 = you pay + discount
72 · 80%

you pay 18 (20%)

Discount: 90 × 80 ÷ 100 = 72 → 90 − 72 = 18

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FAQ

What is 80% off 90?

80% off 90 is 18

What is 90 minus 80 percent off?

90 minus 80 percent off is 18

How much do you save with a 80% discount on 90?

The discount itself is 72: 90 × 80 ÷ 100 = 72. Taking it off 90 leaves 18.

What was the price before 80% off if you paid 18?

Only approximately: 18 ÷ 0.2 = 90. The discount is rounded to the cent, so every price from 89.98 to 90.02 (in whole cents) gives the same 18; the paid price alone cannot tell them apart.