You borrow

$350

from your aunt and agree to repay her

$400

(

$350

principal

+$50

interest) in 18 months. What interest rate (using simple interest, and to the nearest tenth) are you paying?\

14.3%

\

12.5%

\

9.5%

\

11.2%

You borrow $350 from your aunt and agree to repay her $400 ( $350 principal +$50 interest) in 18 months. What interest rate (using simple interest, and to the nearest tenth) are you paying? 14.3% 12.5%9.5%11.2%