The expression 15a+12c is the cost of admission at an amusement park for a adults and c chldren. Then find the total cost for 5 adults and for 10 children

We are given expression for cost of admission at an amusement park : 15a+12c.

Where a is the number of adults and

c is the number of children.

We need to find the total cost of 5 adults and for 10 children.

In order to find the total cost of 5 adults and for 10 children, we need to plug a=5 and c=10 in 15a+12c expression.

Plugging a=5 and c=10 in 15a+12c expression, we get

15 (5) + 12 (10) = 75 + 120 = $195.

Therefore, the total cost for 5 adults and for 10 children is $195.