Mrs. Miller claims that 10% of the marbles in the jar are purple. Do the students have statistically significant evidence that t
1 answer:
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Tim spends 500 minutes at the school.
Step-by-step explanation:
Given,
Time for lunch = 45 minutes
Time for study hall = 45 minutes
Total = 45+45 = 90 minutes
This represents 18% of the total minutes Tim spend at school.
Let,
x be the total minutes Tim spend at school.
18% of x = 90 minutes
Dividing both sides by 0.18
Tim spends 500 minutes at the school.
Keywords: percentage, division
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I think this is it,please try and looking it up also for a better explanation
Answer:
Step-by-step explanation:
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