Try another version of this question Christian lent his sister `$7,250` to help her buy a house. In ` 4` years, she paid him the `$7,250`, plus `$1,450` interest. What was the rate of interest?
Box 1: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
The rate was %
Enter DNE for Does Not Exist, oo for Infinity `5%`