Answer: All four runners ran .96 seconds
Step-by-step explanation: The total time of the four runners, divided by the amount of runners.
3.86/4= .965
The keyword is "sum" which tells you x, y, and z are being added. One half of the sum means that the sum of the three numbers is going to be divided by 2.
x + y + z
------------
2
Answer:
5
Step-by-step explanation:
Answer:

Step-by-step explanation:
on the picture
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Answer:
127 from 35
127 - 35
92
Step-by-step explanation: