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A football player starts on the 20 yard line and gains 9 yards. On the next play, he loses 4 yards. The referee says there’s a penalty and takes away the 4-yard loss of yardage. Which expression represents the total number of yards gained?
A) 20 + 9 – 4 – (−4)
B) 20 + 9 – 4 + (−4)
C) 20 + 9 – 4 – 4
D) 20 + 9 + 4 – (−4)

Respuesta :

The answer would be A because if the player starts on the 20 yard line and gains 9 yards, that would be 20+9= 29. Then it says the player loses 4 yards which would make it 29-4= 25 then it says the referee takes the penalty away which then makes it 29 again. If you do the math for A it comes out to be 29.

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