3: During a sale an item marked P450.00 was brought at P315.00. What was the rate of Discount?


4: A salesman sells a car for P870,000. If he receives a commission of 20%, how much will be his commission?


5: A food item has a sales tax of P224.00 or 4%. How much is the selling price of the item?
How much is the total cost paid by the customer?