Fast-Food Bills for Drive-Thru Customers A random sample of 49 cars in the drive-thru of a popular fast food restaurant revealed
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Answer : D
The denominators are same
So we combine the numerators
To remove parenthesis we distribute negative sign inside the second parenthesis
Morgan made a mistake. He forgot to distribute the negative sign
Morgan forgot to distribute the negative sign to two of the terms 2t and 2 inside second parenthesis