$\"\"$

Tickets to the country fair are $\"\"$ for an adult and $\"\"$ for a child.

They have a $\"\"$ discount card.

Find the cost of $\"\"$ adult tickets and $\"\"$ child tickets.

Find cost :

Total cost of $\"\"$ adult tickets and $\"\"$ child tickets.

$\"\"$ (Original cost)

The discount $\"\"$ of the original cost $\"\"$ .

$\"\"$ ( $\"\"$ )

$\"\"$ (Use a caluculator)

Total cost of $\"\"$ adult tickets and $\"\"$ child tickets after $\"\"$ discount.

$\"\"$

Therefore, cost of $\"\"$ adult and $\"\"$ child tickets is $\"\"$ .

$\"\"$

The cost of $\"\"$ adult and $\"\"$ child tickets is $\"\"$ .