Answer:
A) How many CDs and videos were sold
B) X= number of CDs sold, Y= number of videos sold
C) 40 CDs and videos were sold in all, how much each CD and video cost, total sales
D) Adding how many items were sold in all, multiplying the price of each item by how many were sold
E) Total sales {4x+6y=180}, Items being sold {x+y=40}
F) 10 videos sold and 30 CDs
Step-by-step explanation:
