Answer:
B= 15 adults tickets
C= 35 student tickets
Step-by-step explanation:
x+y=50
solve for y
y=50-x
5x+3y=180
5x+3(50-x)=180
5x+150-3x=180
2x=30
x=15
y=50-15
y=35
75 meters
5 x 30/2
= 5 x 15
= 75 meters
45
if it has a subtraction or negative dash in front its negative.
c=-2
50 + 3n = 100