.Divide the sum of 13/5 and -12/7 by the product of -31/7 and -(1/2)
2 answers:
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Answer:
5
Step-by-step explanation:
I played a video game for 15 minutes and I lose 75 points.
So, at time = 0, point loss =0, and at time = 15 minutes, point loss = 75.
Therefore, the mean change in points per minute is = ( total loss of points / total minutes of playing the game )
= = 5 points per minute.
Hence, the integer 5 represents the mean change in points per minute. (Answer)