PLEASE HELP will mark brainliest!!!!! 
6. Dean, John, and Andrew sold key chains, mugs, and gift wrap for a school fundraiser. The table
below shows the number of items that each person sold and the amount of money collected from the
sales. Write a matrix equation that can be used to find the price for each item in the table. Then solve
the equation to find the prices.
Dean
John
Andrew
                                             
                                          
                                          
                                       