At a pumpkin patch, if Armando guesses the weight of his pumpkin within 0.3 pounds, he gets to take the pumpkin home for free. If his pumpkin weighs 4.9 pounds, which two equations can be used to find the minimum and maximum weights he can guess in order to get his pumpkin for free?
Answer
A
x – 0.3 = 4.9 and x – 0.3 = –4.9
B
x + 0.3 = 4.9 and x + 0.3 = –4.9
C
x + 4.9 = 0.3 and x + 4.9 = –0.3
D
x – 4.9 = 0.3 and x – 4.9 = –0.3
Explanation
A guess x is within 0.3 pounds of the pumpkin’s actual weight, 4.9 pounds, when the difference between them is 0.3 pounds at either endpoint. Set x − 4.9 equal to 0.3 and −0.3 to find the maximum and minimum guesses. These are the two equations in choice D.
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