Question

There is a 10% off sale on laptop computers. If someone saves $90 on a laptop, what was its original cost?

Answer 1

I think 100$

Explanation:

I can't be to sure

Answer 2

900 dollars

Explanation:

This is pretty easy

We know 10 percent off

so we can make an equation

0.1x=90

Then just solve

x=900

So 900 dollars

We can check by use finding 10 percent of 900

which is 90

SO its correct