drizzydolan drizzydolan

11-01-2017
Mathematics

contestada

this is simple interest :
$640, 3%, 2 years
anyone knows how to explain?

Respuesta :

apologiabiology apologiabiology

11-01-2017

I=PRT
Interest=I
P=principal
R=rate in decimal
T=time in years

given
asuming 640 is the principal and not the interest
P=640
R=3%=0.03
T=2

I=640*0.03*2
I=19.2*2
I=38.4

interst=$38.40

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