Final answer:
In this question, the subject is mathematics, and the grade level is high school. The question asks about the number of Titanic and Godzilla DVDs sold and their respective costs. By setting up and solving an equation, we can find the number of DVDs sold for each movie.
Step-by-step explanation:
In this question, the subject is mathematics and the grade level is high school. The question is asking about the number of Titanic and Godzilla DVDs sold and their respective costs. Let's break down the problem:
- We're given that the cost of a Titanic DVD is $15 and the cost of a Godzilla DVD is $20.
- The problem mentions that there were thirty more Titanic DVDs sold than double the number of Godzilla DVDs sold.
To find the number of DVDs sold, we can set up an equation:
Let's say the number of Godzilla DVDs sold is represented by 'x'.
Then the number of Titanic DVDs sold would be 2x + 30 (double the number of Godzilla DVDs sold, plus thirty more).
To find the value of 'x', we need to equate the total cost of Godzilla DVDs sold to the total cost of Titanic DVDs sold:
20x = 15(2x + 30)
By solving this equation, we can determine the value of 'x' and then find the number of DVDs sold for each movie.