At a high school, 9th and 10th graders were asked whether they would prefer robotics or art as an elective. The results are show
n in the relative frequency table.
To the nearest percent, what percentage of 10th graders surveyed preferred robotics?
To the nearest percent, what percentage of 10th graders surveyed preferred robotics?
2 answers:
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Answer: Time taken by Ximena to paint the fence alone = 24 hours
Time taken by Candice to paint the fence alone = 12 hours
Step-by-step explanation:
Let x= Time taken by Ximena to paint the fence alone .
Time taken by Candice to paint the fence alone = x-12
As per given , we have
if x= 4
Time taken by Ximena = 4 hours
Time taken by Candice = 4-12 hours =-8 hours which is not possible. (time cannot be negative)
Therefore, x= 24
Such that
Time taken by Ximena to paint the fence alone = 24 hours
Time taken by Candice to paint the fence alone = 24-12=12 hours