Question

Uta invests $345 into a simple interest investment account that pays interest at a rate of 9% a year. After several years, she withdraws her balance of $531.30. Using the formula mc018-1.jpg, how many years was her money invested?
4 years
5 years
6 years
7 years

Answer 1

like a first step calcule how many is 9% of $345 and this will be the interest paid for one year
second step : what you get like interest paid for one year so the $531,30 you need divid by how many you have got for one year interest
and in this way will get easy sure the right answer

hope helped