#1
36 - 24 = 12
12/24x100 = 50%
It was increased 50%
#2
Tuesday stock price was $36, decrease 50%
New price would be 36/2 = $18
3,000x10=30,000
Ms.Nelson has $30,000 in her bank account.
I think the answer is 15x^4y^5z^2
The mean is 7.5 you add up all the numbers and then divide by the amount of numbers there is
