Can someone show me how to do this step by step . i would appreciate it you can choose anyone of these problems

Oh! This is order of operations, right?

How order of operations works:

You don’t nessecarily do the problem left to right. You do it as follows:

1. Anything in parentheses

Anything in parentheses comes first

2. Multiplication or Division

Whichever comes first in the problem

3. Addition and Subtraction

Whichever comes first in the problem

$20.01

step-by-step explanation:

the sale price is (1.00 - 0.77)($87), or 0.23($87), or $20.01.