The price of a computer was $1,200 after applying a 20% discount. what was the original price of the computer?
show your work by using cross multiplying tysm if you do i will make you brainliest

The original price of computer was $1500.

Step-by-step explanation:

Given:

The price of a computer was $1,200 after applying a 20% discount.

Now, to get the original price of the computer.

Let the original price be .

As given discount is 20%.

So, the price after discount = $1200.

Thus, $1200 is 80% of the price of computer. (100% - 20% = 80%.)

So, $1200 is equivalent to 80%.

And, is equivalent to 100%.

Now, by using cross multiplication we get the original price of computer:

⇒  

⇒  

Dividing both sides by 80 we get:

⇒  

Therefore, the original price of computer was $1500.

i'm sorry i don't know

step-by-step explanation:

the answer is 21%.