A shop has a sale and reduces all its prices at the rate of 15k in naira. Find the sale price of an article marked at 740 naira. ​

Sales price of article = 629 naira

Step-by-step explanation:

Given:

Discounted rate = 15%

Marked price of article = 740 naira

Find:

Sales price of article

Computation:

Sales price of article = Marked price of article [1 - Discounted rate]

Sales price of article = 740[1 - 15%]

Sales price of article = 740[1 - 0.15]

Sales price of article = 740[0.85]

Sales price of article = 629 naira

3 oz of cheese.

Step-by-step explanation:

18 meatball = 2 oz of cheese (Half it)

9 meatballs = 1 oz of cheese (times it by 10)

90 meatballs = 10 oz of cheese (-7 oz of cheese)

She needs 3 oz of cheese more