They represent the two times the football is on the ground.
5/6 of an hour is 50 minutes. 50 (time) divided by 8 (tasks) is 6.25. So, it takes the robot 6 minutes and 15 seconds (.25 of a minute is 15 seconds) to complete one task. Now, just divide 60 by 6.25. It's 9.6. Since a robot cannot complete .6 of a task, the robot only completes 9 tasks in an hour.
Answer:
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Step-by-step explanation:
<span>1. Quizzes (10% each):
60 x 10/100 = 6
69 x 10/100 = 6.9
68 x 10/100 = 6.8
2. Exam (70%)
65 x 70/100 = 45.5
Add them all up now:
6 + 6.9 + 6.8 + 45.5 = 65.2
Therefore, answer is </span><span>65.2</span>