SOLUTION: On her most recent investment Kristi earned $300 on a total of $2,500 invested. What is her rate of return?

Algebra ->  Customizable Word Problem Solvers  -> Finance -> SOLUTION: On her most recent investment Kristi earned $300 on a total of $2,500 invested. What is her rate of return?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 568936: On her most recent investment Kristi earned $300 on a total of $2,500 invested. What is her rate of return?
Answer by Maths68(1474) About Me  (Show Source):
You can put this solution on YOUR website!
Let
x% of 2500 = 300
%28x%2F100%29%2A2500=300
2500x%2F100=300
cross%282500%29x%2Fcross%28100%29=300
25x=300
Divide by 25 both sides of above equation
25x%2F25=300%2F25
cross%2825%29x%2Fcross%2825%29=cross%28300%29%2Fcross%2825%29
x=12

Rate of return 12%