Amy paid $77.71 for shoes during a 20% off sale. What is the regular price of the shoes?

RPrice*.80=77.71

divide both sides by .80

To find the regular price of the shoes, we need to reverse the 20% discount.

First, let's calculate the amount of discount Amy received.

Discount = 20% of the regular price
Discount = 20/100 * Regular price

Since Amy received a 20% discount, she paid 100% - 20% = 80% of the regular price.

So, she paid 80/100 * Regular price.

We are given that Amy paid $77.71. So we can set up an equation:

80/100 * Regular price = $77.71

To find the regular price, we can solve this equation:

Regular price = $77.71 / (80/100)
Regular price = $77.71 / 0.8

Now, let's do the math:

Regular price = $97.1375

Therefore, the regular price of the shoes is approximately $97.14.