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### Theory

 1 Increase and decrease percentage 2 Percentage: Marks 3 Profit and loss- Introduction 4 Formula for profit and loss percentage 5 Things you should know about discount

### Exercises

 1 Calculate the total number of people Difficulty: easy 3 2 Find out the percentage of marks Difficulty: easy 4 3 Calculate the profit percentage Difficulty: easy 3 4 Calculate the loss percentage Difficulty: easy 1 5 Calculate the discount amount Difficulty: medium 4 6 Calculate the increased percentage Difficulty: medium 4 7 Calculate the total salary Difficulty: medium 4 8 Calculate the loss amount Difficulty: medium 4 9 Find out the loss percentage Difficulty: medium 4 10 Calculate the amount saved by a person Difficulty: medium 4 11 Calculate the remaining percentage of people Difficulty: medium 4 12 Determine the person's contribution in terms of percentage Difficulty: medium 2 13 Calculate the discount percentage of a product Difficulty: hard 4 14 Find out the profit percentage Difficulty: hard 4 15 Find the selling price Difficulty: hard 4 16 Calculate the selling price Difficulty: hard 1

### Tests

 1 Training test Difficulty: easy 10 2 Training test Difficulty: easy 11

### Teacher manual

 1 Methodical recommendation