What's to look back? Directions: Solve for the unknown. 1.65% of 100 = 4. 80 is % of 16 2. 90% of 10 = 5. 10 is 50% of 3.36 is_% of 60 What will I do? Does your mother or father attend PTA meetings or orientations every school year? Why? Activity 1: Percent of Increase In school year 2018-2019, 160 parents attended the Grade 6 orientation. While in school year 2019-2020, 200 parents attended. Find the percent of increase in attendance. Activity 2: Percent of Decrease On Wednesday, a kilo of pork is 165.00. On the following day, it only costs Php120.Find the percent of decrease in the price of a kilo of pork. Activity 3: Discount and Sale Price A book whose original price was Php580.00 was sold at a discount of 40% How much was the discount"? What is the sale price?​