During a day a student spends 7 hours sleeping, ¹/4 of the day studying and of the time travelling. What fraction of the day is
1 answer:
Answer:
Step-by-step explanation:
- Time Spent Sleeping=7 hours
- Time Spent Studying=
of the day
- Time Spent Travelling=
There are 24 hours in a day, therefore:
- Time Spent Studying=
- Time Spent Travelling=
The total hour used for sleeping, studying and travelling=7+6+6=19 hours
Hours used for other things=24-19=5 hours
Therefore, the fraction of the day used for other things=
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Answer:
The probability that a Tech High student fails math is 0.1006
Step-by-step explanation:
21% students are taking class with Mary.
Every year 4% of Mary’s students fail,
15% students are taking class with Tom
Every year 6% of Tom’s students fail.
64% students are taking class with Alex
Every year 13% of Alex's students fail.
Now we are supposed to find the probability that a Tech High student fails math.
Hence the probability that a Tech High student fails math is 0.1006