Algebra I Word Problem

Question

Mr. ballew invested $3,000 more at 14% than at 11% annual interest. His annual return is $1,670. How much did he invest at each rate?

Answer 1

0.11x + 0.14(x + 3000) = 1670

0.11x + 0.14x + 420 = 1670

0.25x = 1250

x = 25,000

25,000 + 3000 = 28,000

$25,000 at 11% and $28,000 at 14%