SIMPLE INTEREST. 1S3 



2» Multiply the interest for one year by the given time, . 

 and the product is the answer for that time. 



3. If there be parts of a year, as months or days, work 

 for the months by the aliquot parts of a year, and for the 

 days by Simple Proportion. 



EXAMPLES. 



T. What is the interest of 450I. for a year, at 5 per 

 cent, per annum ? 



45©1. 

 5 



1,00)22*50 

 20 



lo'oo Ans. 22I. and ■/-^=To-=^*5=^ 



OS. 



2. What IS the interest of 720I. for 3 years, at 5 per 

 cent, per annum ? 



720L 36 



5 3 



36-00 108I. Ans, 



3. What Is the interest of 170I. for i|^ year, at 5 per 

 cent, per annum ? 



170L 2)81. IDS. interest for i year. 



5 4 5 



8*50 X2l. 15s. Answer. 



20 



lO'OO 



4. What 



