How much interest is earned on a principal of $671.37 invested at an interest rate
of 4% for four years?

ANSWER:

The interest earned on a principle of $671.37 at an interest rate of 4% for four years is $ 107.42.

SOLUTION:

Given, p = $671.37, R = 4%, t = 4.

We need to find the simple interest for the above given values of amount, rate and years.

We know that

where, p = principal amount ; r = rate of interest ; t = number of years

By substituting the values we get,

Simple interest is $ 107.42 approximately.

Hence, the interest earned on a principle of $671.37 at an interest rate of 4% for four years is $ 107.42.

all you should have to do is insert 1 where the c is, representing that one car is sold.

f(c) = 250c + 500

f(1) = 250(1) + 500

f(1) = 250 + 500

f(1) = 750

he earns $750 for each car sold.

hope this you! have a happy , here's a turkey!