Question

A stockbroker has money in three accounts. The interest rates on the three accounts are 10 % ,11 %, and 12 %. If

she has twice as much money invested at 11% as she does in 10 %, three times as much at 12% as she has at be
10%, and the total interest for the year is $340, how much is invested at each rate?

Answer 1

8% because i was a little late this year but I