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Posted by on Wednesday, January 26, 2011 at 2:04pm.

Nico is saving money for his college education. He invest some money at 8%, and $1300 less than that amount at 5%. the investments produced a total of $234 intrest in 1 yr.How much did he invest at each rate?

  • Math Help Please - , Wednesday, January 26, 2011 at 2:09pm

    solve for x

    .08x + .05(x-1300) = 234

    (I suggest multiplying each term by 100

  • Math Help Please - , Wednesday, January 26, 2011 at 2:18pm

    would it be 23 or 2300

  • Math Help Please - , Wednesday, January 26, 2011 at 2:25pm

    test your answer, but $23 wouldn't make a lot of sense, would it?

    (did you multiply both sides by 100?)

  • Math Help Please - , Wednesday, January 26, 2011 at 2:33pm

    Can somebody help me i still don't get how to do this?

  • Math Help Please - , Wednesday, January 26, 2011 at 2:55pm

    from my equation :
    .08x + .05(x-1300) = 234
    times everybody by 100
    8x + 5(x-1300) = 23400
    8x + 5x - 6500 = 23400
    13x = 29900
    x = 2300

    so larger amount = $2300
    smaller investment = 1000

    check:
    .08(2300) + .05(1000) = 234

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