TechWiz Entertainment sells four types of products: radios, CDs, video games, and DVDs. The numbers sold for 2020 and 2021 are shown in the double bargraph below. Use this graph to answer the questions.


Solution:
Given the graph;
(a)
In 2020, the estimate number of CDs sold is;
[tex]450[/tex](b)
The products that sold more in 2021 than in 2020 are radios and CDs.
(c)
The product that sold the least over the last two years is video games