9. The cost of the notebook is Php25.00. Two weeks before the start of school opening, it increases 8% on the selling price .One week after, they decided to add an additional increase of 2% to its selling price.
10. Bench swimwear increases 20% of the selling price. Selling price is Php350.00. Ten days before Christmas an additional 5% was added.
11. Before Mother's Day, SM mall store is considering to reduce the price of red roses to Php2,000.00. The original price is Php3,500.00
12. The cost of a new pair of earrings is Php3,500.00. The selling price is Php5,000.
13 A jacket which costs Php1,250.00 is being sold at Php1,025.00.
14. Mang Ivan decides to increase the price of galunggong by adding Php8.00 per kilo. The original cost is Php50.00 per kilo with a 25% increase.
15. An item costs Php800.00 and is sold for Php1,000.00.
