kate paid 27$ for a dress that was on sale at 10% off. what was the original price for this dress?

1 answer

Let x be the original price of the dress.

If Kate paid $27 and the dress was on sale at 10% off, then she paid 90% of the original price:

0.90x = $27

Dividing both sides by 0.90:

x = $30

Therefore, the original price of the dress was $30.