The cost to see a movie is $10 for adults and $6 for children. The total cost is 10x+6y where x is the number of adults and y is the number of children seeing a movie. What is the total cost if 3 adults and 5 children see a movie together?
To find the total cost, we substitute the numbers of adults and children into the expression 10x+6y.
For 3 adults, x = 3
For 5 children, y = 5
Substituting the values we have: 10(3) + 6(5) which is equal to 30 + 30 = <<10*3+6*5=60>>60.
The total cost if 3 adults and 5 children see a movie together is $60. Answer: \boxed{60}.