noluyolokoli4
Answered

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an amount of R3000, Is invested to three years at simple interest rate and it earned R905 interest. determine the simple interest rate at which the money was invested​

Sagot :

sk5634943

Answer:

Step-by-step explanation:

P=R3000.00

T=3 years

SI=R905

SI=P\times R\times T\\R905=R3000\times \frac{r}{100}\times 3SI=P×R×T

R905=R3000×  

100

r

​

×3

R905=\frac{R9000r}{100}R905=  

100

R9000r

​

 

R905=\frac{R905}{R90}R905=  

R90

R905

​

 

r=\frac{R905}{R90.}r=  

R90.

R905

​

 

r=10.06\%r=10.06%

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