Answer is x+9=11
6+x=9
x=3
15=x+12
x=3
7+x=10
x=3
x+9=11
x=2
So x+9=11 has a different x value than the rest of the equations. So it doesn't belong with the other three.
Answer:
144
Step-by-step explanation:
Adult tickets comprised 1/3 of the total, so 432/3 = 144 tickets.
Answer:
red=500
yellow=300
green=400
Step-by-step explanation:
Answer:
Rr = 51 : 68
Step-by-step explanation: