Adele CD Sales Challenge: How Many CDs Did They Sell?
Question:
How many Adele 25 and Adele 21 CDs did the famous online music store sell in a particular month? What was the total revenue from these sales?
Answer:
To solve this problem, we need to set up a system of equations using the given information. Let x represent the number of Adele 25 CDs sold and y represent the number of Adele 21 CDs sold.
Explanation:
To solve this problem, we need to set up a system of equations using the given information. Let x represent the number of Adele 25 CDs sold and y represent the number of Adele 21 CDs sold.
From the first sentence, we know that 25 CDs were sold for $11.88 and 21 CDs were sold for $9.59. We can set up the following equations:
25x + 21y = 106,841.42
x + y = 9,451
We can solve this system of equations to find the values of x and y, which represent the number of Adele 25 and Adele 21 CDs sold, respectively.