80 tickets have been given out
50*.4=20
50*.6=30
30*2=60
60+20=80
Answer:

Step-by-step explanation:

Recall that the change of base formula is 
Answer:
Rate: 2:5
Unit Rate: 1:2.5
Step-by-step explanation:
Unit Rate is the rate in which x is x to 1. So, each inch of snowfall takes 2.5 hours.
Answer:
y = √{(a - x)/2b}
Step-by-step explanation:
x=a-2by²
2by² = a - x
divide through by 2b
y² = (a - x)/2b
y = √{(a - x)/2b}
Its 4 by the way cause it is