Original Price

[mathdad]

A laptop, discounted by 20 percent for a clearance sale, has a price tag of 499 dollars. What was the laptop's original price?

Solution:

Let p = original price

100 percent - 20 percent = 80 percent

0.80p = 499

p = 499 ÷ 0.80

p = 623.75 dollars

Yes?

 

[Harry_the_cat]

Reduce $623.75 by 20%. Do you get $499? If so, then your answer is correct.

 

[mathdad]

Reduce $623.75 by 2%. Do you get $499? If so, then your answer is correct.

Cool and super cool.