By Marfuatun Laela PROFIT GAIN PROFIT If the
By : Marfuatun Laela
PROFIT/ GAIN PROFIT If the selling price > buying price. Note : Profit / gain : untung Selling price : harga jual Buying price : harga beli
Profit : Selling price – buying price
LOSS / Rugi n If selling price < buying price (capital) n Loss = Selling price– buying price
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, 500 b. Rp 2, 000 c. Rp 6, 000 d. Rp 9, 000
Solution : Buy Sell n 18, 000 12 x Rp 2. 000=Rp 24. 000 n Then the profit = Rp 24, 000 – Rp 18, 000 n = Rp 6, 000 n So the answer is C n
Please do exercise 1 Page 132 Erlangga
Selling Price Selling price Selling Price = buying price+ profit Selling Price = buying price - loss
Buying Price = Selling price – profit Buying Price = Selling price + loss
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 !
Answer : Buy Sell Profit ? ? 387, 000 60, 000 Buying price = 387, 000 – 60, 000 = 327, 000 Buying price of one doll = = 10, 900
Please do exercise 2 page 134 Erlangga
The Percentage of Profit and Loss
Example 3 The buying price of book is Rp 12, 000. If the selling price is Rp 14, 400. Find the percentage of profit or loss ! Answer : Buy Sell profit 12, 000 14, 400 ? Profit = 14, 400 -12, 000 = 2, 400
Please do exercise 3 page 135 Erlangga
Gross, Tare, and Net
Gross, Tare, and Net tare net Gross : berat kotor Tare : tara (berat pembungkus) Net : berat bersih
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
Example 5 n n n 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 Rp 5, 000. find the money mus pay ! Answer Gross Tare Net 5 x 60 = 300 1% 300 – 3 =297 = = 3 kg The money must pay = 297 x Rp 5, 000 = Rp 1, 485, 000
Please do exercise 5 page 140 Erlangga no 1 - 6
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
Saving and Interest (Tabungan dan Bunga) n n n 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: Interest in 1 year = 18 % x 100, 000 = 18, 000 Farida’s saving after 1 year = 100, 000+18, 000 = 118 000
Please do exercise 6 no page 143 Erlangga No 1 - 7
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