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Percentages. Convert into a percentage Answer 40%

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Presentation on theme: "Percentages. Convert into a percentage Answer 40%"— Presentation transcript:

1 Percentages

2 Convert into a percentage Answer 40%

3 Convert into a percentage Answer

4 Find 4% of 7000 km Answer 280 km

5 Find 37.5% of 50 kg Answer 18.75 kg

6 A shop has a sale and reduces all of its prices by 8%. Find the sale price of a track suite that costs 4800 Baht Answer 4416 Baht

7 The population of a town in Thailand increases by 42% between 1952 and 2002. If there were 64 000 people in 1952 what was the 2002 population? Answer 90 880

8 A large snake normally weighs 14.4 kg. After being fed some mice its weight increases by 9%. How much does the snake weigh after dinner? Answer 15.696 kg

9 In 1998 a new car costs 820 000 Baht. If it value falls 38% over the next four years, what will its cost in 2002. Answer 508 400 Baht

10 A coat is offered for sale at 20% off its normal price. If the sale is 1800 Baht, what was the normal price? Answer 2250 Baht

11 In England, a medical text book costs £160 before VAT of 17.5% is added on. What is the price of the book including VAT? Answer £188

12 The same medical text book in Thailand costs 10 720 Baht before VAT of 7% is added on. What is the price of the book including VAT in Thailand, to the nearest Baht? Answer 11 470 Baht

13 Notebook computers cost 50 600 Baht. A school buys 40 of these computers and is given a 15% discount. How much will the school pay in total? Answer 1 518 000 Baht

14 James has $ 1000 to invest in a bank. At the end of each year, 15% interest is added to the investment. How many years does it take to double his investment Answer 5 years

15 The number of pupils in a school increases from 1670 pupils to 1890 pupils. Calculate the percentage increase. Answer 13.2%

16 The number of elephants in a certain country decreases from 7800 to 4600 over a six year period. Calculate the percentage decrease in this period. Answer 41.0%

17 A shopkeeper buys cans of coke at 11 Baht each. He then sells them at 15 Baht. Calculate his percentage profit. Answer 36.4%

18 José buys a computer at $3600 he sells it three years later at $1200. Calculate his percentage loss? Answer 66.7%


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