noluyolokoli4
contestada

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​

Respuesta :

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%