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# What is the simple interest of a loan for $1,000 with 5 percent interest after 3 years?

**Solution:**

The formula used to calculate the simple interest is

SI = P × R × T

**Principal:** The principal is the amount that initially borrowed from the bank or invested. The principal is denoted by P.

**Rate:** Rate is the rate of interest at which the principal amount is given to someone for a certain time. The rate of interest is denoted by R.

**Time:** Time is the duration for which the principal amount is given to someone. Time is denoted by T.

**Amount:** When a person takes a loan from a bank, he/she has to return the principal borrowed plus the interest amount, and this total returned is called Amount.

It is given that

P = $1,000

R = 5% = 5/100 = 0.05

T = 3 years

Substituting it in the formula

SI = 1,000 × 0.05 × 3

SI = 150

Therefore, the simple interest of a loan is $ 150.

## What is the simple interest of a loan for $1,000 with 5 percent interest after 3 years?

**Summary:**

The simple interest of a loan for $1,000 with 5 percent interest after 3 years is $ 150.

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