S + a = 300...s = 300 - a
8s + 12a = 3200
8(300 - a) + 12a = 3200
2400 - 8a + 12a = 3200
-8a + 12a = 3200 - 2400
4a = 800
a = 800/4
a = 200 <==== 200 adult tickets
s = 300 - a
s = 300 - 200
s = 100 <=== 100 student tickets
The perimeter should be 144.7 units
-6 yards
Step-by-step explanation:
6-12 = -6 yards
they lost a total of 6 yards
Answer:
Step-by-step explanation:
2x-6=48
2x=42+6
2x=48days
x=24days