Answer:
Mean is 9.875
You can get this by adding all of the weights up and dividing it by the number of cats.
Median is 10.5
Organize the numbers in order.
5,6,7,10,11,12,14,15
Cross numbers off till you get to the middle.
You are left with 10 and 11.
Add the two.
Then divide by two to get your answer.
Step-by-step explanation:
Answer:
For the third time D because 60+30*2 is 120 and 30 of 120 is 25%
Step-by-step explanation:
Answer:
15 early tickets were sold and 5 regular tickets were sold.
Step-by-step explanation:
Let x be the number of early bird tickets sold and y be the number of regular tickets sold.
Total number of tickets sold = 20
Thus, we can write the equation,

Cost of early bird ticket = $10
Cost of regular tickets = $15
Total cost = $225
Thus, we can write the equation,

We solve the equation by elimination method by multiplying first equation by 10 and subtracting.

Thus, 15 early tickets were sold and 5 regular tickets were sold.
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