Answer:
Multiplication
Step-by-step explanation:
The answer is C
adult: x
student: y
x+y=120
6x+4y=560
Answer:24
Step-by-step explanation:
1 divided by 5=.2
120 times .2=24
Consider the width as x.
Width = x
Length = 3x-4
2(3x-4)+2(x) = 64
6x-8+2x = 64
8x-8 = 64
8x = 72
x = 9
Width = 9 meters
Length = 23 meters
