SOLUTION: Dina had $10,000 to invest. She invested part of it in a savings account that pays 4% interest, and another
part in a savings bond paying 5% interest. If the total interest after
Question 1166139: Dina had $10,000 to invest. She invested part of it in a savings account that pays 4% interest, and another
part in a savings bond paying 5% interest. If the total interest after one year was $440, how much did she invest
at each rate?