# Percentage and its Applications

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By: hvgsdfgr (44 month(s) ago)

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### Percentage and its Applications :

Percentage and its Applications

### Introduction:

Introduction The phrase “per cent” is a short from of the latin “per centum” . Meaning “by the hundred”. The symbol “ %” is used for percentage. Per cen means per hundred. The symbol “%” is used for percentage. It compares a number to 100. A fraction that has 100 as denominator is called a percentage.

### To convert fractions, decimals and percentage from one from to the other:

To convert fractions, decimals and percentage from one from to the other Rule 1) – to convert a percentage to a fraction or a decimal divide by 100. Rule 2) - to convert a fraction or a decimal to a percentage multiply.

### Percentage increase or decrease:

Percentage increase or decrease A per cent of change shows how much a quantity has increased or decreased in comparison with the original quality. Percentage change :- = amount of increase of decrease × 100 original amount

### Introduction of profit and loss:

Introduction of profit and loss The money which is paid by the purchaser to by an article is called cost prize (CP) of the article for the purchaser. The prize at which the article is sold to the customer is called the selling prize (SP) of the article for the seller.

### PowerPoint Presentation:

If the selling price of the article is more than the cost prize then the article is said to be sold at a profit and profit earn = S.P – C.P If the selling price of the article is less than its cost prize then the article is said to be sold at loss and the loss incurred = C.P – S.P S.P = C.P + profit S.P = C.P - loss

### PowerPoint Presentation:

The money borrow from a lender is called principal The additional money paid by the borrower to the lender after a specified period of time is called interest The total money paid by the borrower to the lender is called . if the interest is calculated on the original money borrowed through the period of loan , i.e. , there is no change in principle ,then it is called simple interest.