SOLUTION: Hi I need help on this word problem. Susan invests 2 times as much money at 10% as she does at 6%. If her total interest after 1 year is $780, how much does she have invested a

Question 1145187: Hi I need help on this word problem.
Susan invests 2 times as much money at 10% as she does at 6%. If her total interest after 1 year is $780, how much does she have invested at each rate?
Found 2 solutions by ikleyn, josgarithmetic:
Answer by ikleyn(52776) (Show Source): You can put this solution on YOUR website!
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Hey,

an educated person would ask "Could you PLEASE help me . . . ".

Answer by josgarithmetic(39616) (Show Source): You can put this solution on YOUR website!
x at 6%
2x at 10%

If assume simple interest rates, for $780 interest after a year,

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