Question

The​ cost, C, of an item​ (the price paid by a​ retailer) plus the​ markup, M, on that item​ (the retailer's​ profit) equals the selling​ price, S, of the item. The formula is Upper C plus Upper M equals Upper S. The selling price of a computer is ​$1770. If the markup on the computer is ​$130​, find the cost to the retailer for the computer.

Answer 1

Answer: so if C+M=S

You have to subtract selling price and markup to find the seller cost

Explanation:

S=1770

M=130

C=1640

S-M=C