For number 3 add all the numbers and divide how numbers you have
Answer:
Step-by-step explanation:
a-number of advance tickets
s-number of same day tickets
a*40+s*25=2400
a +s =75
I solve with the substitution method
s=75-a
40a+25*(75-a)=2400
40a+1875-25a=2400
15a=2400-1875
15a=525
a=525/15
a=35
so s=75-35
s=40
Answer:
The equation is equal to 
Step-by-step explanation:
Let
c-----> the cost in dollars
t----> the time in hours
we know that
One adult and two children
