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Hitman42 [59]
3 years ago
14

Julio invested $2,000 in a simple interest account for 3 years.She had earned $150 in interest by the end. What is the simple in

terest rate of the account?
Mathematics
2 answers:
AVprozaik [17]3 years ago
5 0

Answer:

i = 2,5 %

Step-by-step explanation:

Topic: Simple Interest

you have to be familiar with the concept of simple interest, this interest does not capitalize the interest made in a previous period of time, in other words you dont make more interest by the interest already gained in some period of time.

The Equation for calculating the interest is

I = P * n * i

where

I = ammount of gained interest

P = ammount of money invested

n = number of periods of investment

i = simple interest rate

having this equation you can find i, so them we have that

i = \frac{I}{n * P} = \frac{150}{3 * 2000} = 0.025 = 2.5 %

so the simple interest rate is 2.5%

german3 years ago
4 0
The formula is
R=I/pt
R interest rate?
I interest earned 150
P principle 2000
T time 3 years
R=150÷(2,000×3)
R=0.025 × 100
R=2.5%

Hope it helps!
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