Question

mardi received an inheritance of $60.000. she invested part at 10% and deposited the remainder in tax-free bonds at 12%. her total annual income from the investment was $6400. find the amount invested at 10%

Answer 1

x=money invested for 10%
y= money invested for 12%

x+y=60000
(x*10/100)+(y*12/100)=6400

Answer 2

thank you!