$990
550 x .80 = 440
$550 + $440 = $990
Answer:
-45/2
Step-by-step explanation:
67 1/2 * (-1/3)
67 1/2 = 135/2
So 135/2*1/3=45/2
45/2*-1=-45/2
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It is necessary to include the term one then you will have the plus three