The answer to this problem is 9
Initial number of students: 220
Final number of students : 180
Multiply the initial number of students (220) by the percentage change in decimal form (divided by 100) - That expression must be equal to 180.
220 x = 180
Solve for x:
x=180/220
x= 0.818181
multiply by 100
81,81 %
100%-81,81% = 18.18%
Percent change: 18.18%
3/5+1/4=17/20
12/20+5/20=17/20
Answer: (-5,-5)
Step-by-step explanation: The two lines meet up at (-5,-5)
These three vectors are linearly <u>dependent</u> (details are in the attachment).
