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Mathematics 15 Online
OpenStudy (anonymous):

I have $1000 to Invest. I Invested part of it at 8% and the part of it at 6%. IF my total simple interest is $76.00, how much did I invest for 1yr at each rate.

OpenStudy (anonymous):

800 invested at 8% and 200 at 6% i think

OpenStudy (anonymous):

Thank You, how did you come up with it, i came up with 1080.

OpenStudy (anonymous):

76=0.08x+0.06y

OpenStudy (anonymous):

1000=x+y

OpenStudy (anonymous):

solve for one variable and plug into other equation

OpenStudy (anonymous):

Makes sense now

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