Answer:
[tex]P= x-0.2x[/tex]
Step-by-step explanation:
Step one:
given
Everything at a store is on sale the store offers a 20% discount
The regular price of the t-shirt is $10
Required
The price of an item that cost $x
Step two:
the cost of the discount will be
= 20/100*x
= 0.2x
let the new price be P
[tex]P= x-0.2x[/tex]
