5 students want ice cream, 7 want a movie, 10 want a custom, and the rest are undecided. If 20% want ice cream how many students
1 answer:
You might be interested in
Answer: P (3 or 9) = 1/6
Step-by-step explanation:
Concept:
Here, we need to know the idea of probability.
Probability is a measure of the likelihood of an event to occur.
If you are still confused, please refer to the attachment below for a graphical explanation.
Solve:
The numbers on a dice: 1, 2, 3, 4, 5, 6
Total numbers = 6
Number of 3 = 1
Number of 9 = 0
P (3 or 9) = Favorable / Total (refer to the attachment below)
P (3 or 9) = (1 + 0) / (6)
P (3 or 9) = 1 / 6
Hope this helps!! :)
Please let me know if you have any questions
Answer:
Rachel worked for hours
<em></em>
Step-by-step explanation:
<em>See comment for complete question</em>
Given
Let
So:
and
as long as D
Required
Determine the number of hours spent by Rachel
This implies that:
as long as D
Rewrite as:
Substitute:
Express as improper fraction
This gives:
Express as mixed numbers
<em>Hence, Rachel worked for </em><em> hours</em>