Answer :
The sales price of the items sold by the 6 friends given the total amount made is $1.40.
What is the sales price?
In order to determine the sales price, divide the total amount made by the total amount of the items sold
Sales price = $25.20 / (6 x 3) = $1.40
To learn more about division, please check: https://brainly.com/question/13281206