baichun1221 baichun1221

12-05-2020
Mathematics

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An account earns simple interest. Find the annual interest rate.

I= $30

P= $250

t= 3 years

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wegnerkolmp2741o wegnerkolmp2741o

12-05-2020

Answer:

4% = r

Step-by-step explanation:

I = PRT

where I is the interest, P is the principle R is the rate, T is the time

30 = 250 *r* 3

30 = 750r

Divide each side by 750

30/750 = 750r/750

.04 = r

Changing to percent form

4% = r

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