Lian invested an amount of money at an interest rate of 5.2% per year.
After one year, she received interest of 338 dollars.
Work out the amount of money Lian invested.

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar(s). line m has no y-intercept, and its x-intercept is (3, 0). line n has no x-intercept, and its y-intercept is (0, -4). the equation of line m is , and the equation of line n is .