Sarah has a rectangular rug that is 8 feet by 8 feet. David has a rectangular rug that is 7 feet by 10 feet. Which of the following statements are true regarding their areas?
Sarah's rug is larger by 6 square feet.
Sarah's rug is larger by 7 square feet.
The rugs are the same size.
David's rug is larger by 6 square feet.
David's rug is larger by 7 square feet.