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Posted by on Saturday, March 31, 2012 at 7:44pm.

Last year, Susan had 30,000 to invest. She invested some of it in an account that paid 8% simple interest per year, and she invested the rest in an account that paid 7% simple interest per year. After one year, she received a total of $2150 in interest. How much did she invest in each account?

  • algebra - , Saturday, March 31, 2012 at 7:53pm

    .08 x + .07(30000-x) = 2150

    .08 x + 2100 -.07 x = 2150

    .01 x = 50

    x = 5,000
    30,000 - x = 25,000

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