A set of DVDs includes 4 action movies and 5 scary movies. Use a to represent the cost of each action movie and s to represent the cost of each scary movie. Write an expression that represents 3 sets of DVDs, and then simplify the expression. *There should be 2 expressions!
Is there anymore info available, like the total cost of the DVD set and the cost of 1 action and 1 scary, since most questions structured like this provide that info. If they did, then you can susbstite and find the values you need
