# 80 percent off 90

Here you will see step by step solution to calculate 80 percent off by 90. What is final price if original price is 90 and percentage is 80? The final price is 18, and the discount is 72. Check the detailed explanation of answer given below.

## Answer: 80 percent off 90 is

= 18

### How to calculate the number 80 percent off 90?

With the help of given formula we can get the the percent off value -

Formula 1: Discount = n × P% / 100, P = Discount(off) Percent, n = Number(Orig_price)

Here we have, n = 90, P = 80%
Formula 2: Result = n - Discount

#### What is 80 percent off 90?

Given number n = 90, P = 80%

• Put the n and P values in the given formula 1:
• => 90 × 80%
=> 90 × 80/100

• Now we need to simplify the fraction by multiply 90 with 80 then divide it by 100
• => 90 × 80/100 = 7200/100 = 72
• 80% off for 90 = 72
• Now we will use formula 2 to get the final price of 80% off 90
• = 90 - 72
= 18

Therefore, result is for 80% (percent) off 90 is 18 and difference is 72.

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