Sarah deposits $4,000 at the bank at an rate of 4.5% per year. How much interest will she earn at the end of 3 years?

Sarah will earn $540 interest at the end of three years.

How to:

- In this problem, we must find the simple interest in order to solve. First let's write the formula for simple interest.

Simple Interests = Principal × Interest Rates × Time

- Now, we will determine what is the value of the each.

The 'principal' is $4,000 [amount of money deposited].

The 'interest rates' is 4.5% [percent of the principal earned].

The 'time' is 3 [length of time].

- Finally, we will plug in the values and solve.

Simple Interests = $4,000 × 4.5% × 3

Simple Interests = $540.00

So... Sarah will earn $540 interest at the end of 3 years.

And that is our answer!

Hope this helps!

to find the unit price, we must figure out the cost of one item (in this case one dish towel).   to do this, we divide the total price ($7.92) by the number of items bought (for this problem it is 8, because there are eight dish towels in one pack).  

$7.92/8 = $0.99

therefore, the unit price, or the price of one dish towel, is $0.99.

hope this !