Question

1a)Due to the fuel scarcity in Japan the cost of a phone rises from 4500Naira to 5500 find the increment in price = (1b)Use the information above to find the percentage increase in price = (2) The discount of 10% was given to a customer and she paid 3,000Naira for an article, find the marked price = (3) 30 crates of eggs was bought by a distributor at 30 Naira each, she was given a commission of 4% on a crate. How much commission did she get ? = (4) A dealer sells articles worth 49000 Naira and get a commission of 7% calculate his commission = (5) A dealer wanted to buy an article for Naira39.28kobo,but the marketed price for the article is Naira44.48kobo. How much discount did the customer request for? = (6) A trader appealed to buy an article for 225.00Naira but the marketed price for the article is 245.00 Naira what percent of discount did the trader request for ? = (7) Am agent was given a commission of 3% on a house he sold for 33.00Naira . How much commission did the agent get ? = (8) A company increases the salary of all employees by 5% of their salaries. If an employee earns 250Naira a month what is his new salary ? = (9) A man gives a discount of 5% on the fridge he bought for 55.00Naira. Find the marketed price of the fridge.= (10) A trader demanded a discount of 55.00Naira ok the goods she bought for 845.00Naira . What is the marketed price and the percentage discount ? =.

Answer 1

1a) Increment in price = 5500 - 4500 = 1000 Naira

1b) Percentage increase in price = (increment in price / old price) x 100%

= (1000 / 4500) x 100%

= 22.22%

2) Marked price = selling price / (1 - discount percentage)

= 3000 / (1 - 0.1)

= 3333.33 Naira

3) Total cost of 30 crates of eggs = 30 x 30 = 900 Naira

Commission = (4/100) x 900

= 36 Naira

4) Commission = (7/100) x 49000

= 3430 Naira

5) Discount = marked price - selling price

= 44.48 - 39.28

= 5.20 Naira

6) Discount = (245 - 225) / 245 x 100%

= 8.16%

7) Commission = (3/100) x 33

= 0.99 Naira

8) New salary = old salary + 5% of old salary

= 250 + (5/100) x 250

= 262.50 Naira

9) Marketed price = selling price / (1 - discount percentage)

= 55 / (1 - 0.05)

= 57.89 Naira

10) Marketed price = selling price + discount

= 845 + 55

= 900 Naira

Percentage discount = (discount / marked price) x 100%

= (55 / 900) x 100%

= 6.11%

Explanation: