$\"\"$

The Poochie Pet Supply Store has the following items on sale.

The total cost of purchasing $\"\"$ collar, $\"\"$ T-shirts, $\"\"$ kerchiefs, $\"\"$ leash, and $\"\"$ flying disks.

Observ the table:

The cost of the each item is collar $\"\"$ ,T-shirts $\"\"$ , kerchiefs $\"\"$ , leash $\"\"$ , and flying disks $\"\"$ .

Find the total cost of purchasing.

Total cost of purchasing is $\"\"$ .

$\"\"$ (Original equation)

$\"\"$ (Substitute cost of each items)

$\"\"$ (Multiply)

$\"\"$ (Simplify)

Therefore, the total cost is $\"\"$ .

$\"\"$

The total cost is $\"\"$ .