| Advanced Math |  | 
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	 	| Question : | 
	 
	 
	 		| What is the practical use of Percent Calculations ? | 
 
	  
	 	| Answer :
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	 		| The practical use of Percent is in the calculation of a part or percentage of some total. | 
	 
	 
	 		| Here are some typical of practical 
			problems that can be solved by percent calculations : | 
	 
	 
	 		| Supposing a door to door sales person is paid 12% commission on all
			sales, how much does he earn on a total sale of 
			£ 500-00 ? The list price of a motor car is £ 3,298/-. On a special sale it is
			offered at a discount of 20%. What is the sale 
			price ? Supposing you borrow £ 300 and the bank specifies that you repay
			it at £ 30 per month plus interest at 6% per month on 
			the unpaid
			balance what interest do you atually pay ?
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