Question

SPORTS At the end of the 2007–2008 football season, 38 Super Bowl games had been played with the current two football leagues, the American Football Conference (AFC) and the National Football Conference (NFC). The NFC won two more games than the AFC. How many games did each conference win?

Answer 1

18 AFC games and 20 NFC games were played during 38 Super Bowl games

Equation

Equation is an expression which is used to show the relationship between two or more variables and numbers.

Let x represent the number of American Football Conference (AFC) and y represent the National Football Conference (NFC)

38 Super Bowl games had been played. Hence:

• x + y = 38     (1)

The NFC won two more games than the AFC. Hence:

• y  = x + 2
• x - y = -2    (2)

Solving the equations simultaneously gives:

x = 18, y = 20

18 AFC games and 20 NFC games were played during 38 Super Bowl games

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