cwthee303 cwthee303

16-09-2022
Mathematics

contestada

Find the missing interest rate.
I = $63
P = $420
r = %
t = 3 years

Respuesta :

jaisurajk jaisurajk

16-09-2022

Answer: r=5%

Step-by-step explanation:

I=Prt

I/P=Prt/P

I/P=rt

I/(P*t)=rt/t

r=I/Pt

r=63/(420*3)

r=21*3/(420*3)

r=21/420

r=1/20

r=0.05

r=0.05 * 100%

r=5%

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