Lesley has a gift card worth $500 for a local entertainment store. Movies cost $20 each and newly released video games cost $50 each. In order to use the gift card, Lesley must purchase at least eleven items. Which is a combination of movies and newly released video games that Lesley could purchase using his gift card?
9 movies and 4 video games
3 movie and 10 video games
8 movies and 2 video games
13 movies and 6 video games
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You can eliminate the third choice because it's only ten items (8+2) and Leslie has to buy eleven. You can also eliminate the second choice, because buying 10 video games at $50 apiece would be $500, and Leslie wouldn't have any money left to buy movies. That leaves the first and fourth choices.
The first choice would be 9 movies at $20 each or $180 for movies, and 4 video games at $50 each or $200 for video games. $180 plus $200 is $380, which is less than $500, so Leslie could use her gift card for this.
The fourth choice is 13 movies at $20 each of $260 for movies, and 6 video games at $50 apiece or $300. $260 plus $300 is $560, which is more than $500, so Leslie couldn't use her gift card for this.
The answer is thus choice number one.