SOLUTION: i need to find the simple interest prinipal: $21,ooo rate:5.25% time: 18 years thanks for helping

Question 137197This question is from textbook Harcourt Math
: i need to find the simple interest

prinipal: $21,ooo
rate:5.25%
time: 18 years
thanks for helping This question is from textbook Harcourt Math

Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
21,000(1+.0525)^18
21,000(1.0525)^18
21000*2.5119
$52,749.36 TOTAL AMOUNT AFTER 18 YEARS.