Respuesta :

Answer:R=6% T=3yr T=2yr

Step-by-step explanation:

Simple interest=prt/100

I=prt/100

R=100×27/900×0.5

R=2700/450

R=6%

T=100×480/2000×6

T=48000/12000

T=3yrs

T=100×1080/4500×12

T=2yrs

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