1. By : Marfuatun Laela

2. PROFIT/ GAIN PROFIT If the selling price > buying price. Note : Profit / gain : untung Selling price : harga jual Buying price : harga beli

3. Profit : Selling price – buying price

4. LOSS / Rugi If selling price < buying price (capital) Loss = Selling price– buying price

5. Example - 1 One dozen of pencil was bought for Rp 18,000. The pencils then sold Rp 2,000 per each, find the profit … a. Rp 1,500b. Rp 2,000 c. Rp 6,000 d. Rp 9,000

6. Solution : Buy Sell 18,000 12 x Rp 2.000=Rp 24.000 Then the profit = Rp 24,000 – Rp 18,000 = = Rp 6,000 So the answer is C

7. Please do exercise 1 Page 132 Erlangga

8. Selling Price Selling price Selling Price = buying price+ profit Selling Price = buying price - loss

9. Buying Price Buying Price = Selling price – profit Buying Price = Selling price + loss Buying Price

10. Example 2 A toy store sold 30 dolls for Rp 387,000. The store can earn a profit rp 60,000. Find the uying price of each dolls !

11. Answer : Buy Sell Profit ?? 387,000 60,000 ?? 387,000 60,000 Buying price = 387,000 – 60,000 = 327,000 = 327,000 Buying price of one doll = = 10,900 = 10,900

12. Please do exercise 2 page 134 Erlangga

13. The Percentage of Profit and Loss

14. Example 3 The buying price of book is Rp12,000. If the selling price is Rp14,400. Find the percentage of profit or loss ! Answer : Buy Sell profit 12,000 14,400 ? Profit = 14,400-12,000 = 2,400

15. Please do exercise 3 page 135 Erlangga

16. Gross, Tare, and Net

17. Gross tare net Gross : berat kotor Tare : tara (berat pembungkus) Net : berat bersih

18. Example 4 Suppose there is 100 kg of rice, The gross : 100 kg The weight of bag is 0.5 kg So the net = 100 – 0.5 = 99.5 kg Tare = % tare x gross

19. Example 5 A seller buys 5 sacks of rice that having a gross weight of 60 kg, the tare is 1%. The price of one kg of rice is Rp5,000. find the money mus pay ! A seller buys 5 sacks of rice that having a gross weight of 60 kg, the tare is 1%. The price of one kg of rice is Rp5,000. find the money mus pay ! Answer Answer Gross Tare Net Gross Tare Net 5 x 60 = 300 1% 300 – 3 =297 5 x 60 = 300 1% 300 – 3 =297 = = 3 kg = 3 kg The money must pay = 297 x Rp 5,000 = Rp 1,485,000

20. Please do exercise 5 page 140 Erlangga no 1 - 6

21. Discount A blues costs Rp 180,000. Because there’s a big sale, it is given 35% discount. What is the price of the blues now? Answer: Discount= percentage of discount x original price = 35% x Rp. 180 000 = The new price = Rp 180,000 – Rp 57,000 = Rp 123,000

22. Saving and Interest (Tabungan dan Bunga) Farida has Rp. 100 000 saving account at bank. The bank gives interest of 18% annually. Farida has Rp. 100 000 saving account at bank. The bank gives interest of 18% annually. How much is Farida’s saving after 1 year? Answer: Answer: Interest in 1 year = 18 % x 100,000 = 18,000 = 18,000 Farida’s saving after 1 year = 100,000+18,000 Farida’s saving after 1 year = 100,000+18,000 = 118 000 = 118 000

23. Please do exercise 6 no page 143 Erlangga No 1 - 7