math
posted by susan .
Nico invests some money @ 5%, and $2400 less @4%. Investments total $165.00 in intrest in 1 yr. How much did he invest at each rate?

math 
Reiny
amount at 5%  x
amount at 4%  x  2400
.05x + .04(x2400) = 165
solve for x
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