If there are 7 girls and three boys in the class, what percent of the class is boys ?
1 answer:
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Dana can type 90 words per minute.
Since, 1 minute = hours
Therefore, number of words she can type =
= 90×60
= 5400 words per hour
If she types words in 'x' hours.
Number of words Dana types with the given speed in 'x' hours = Speed of typing × Time
=
Therefore,
hours
Therefore, Dana types words in 48.15 hours.
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Answer:
x∈R
Step-by-step explanation:
2>0
The domain is all real numbers.
x∈R