#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
69% is the same as .69, which is the same as 69/100
N=0 bc you remove the parentheses, cancel the equal terms what would be 6 being cancel it would look like -24n=3n now and move the variable to the left collet like terms and then you will divide the sides. Your answer is 0