Posted by Tristan 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  Reiny, Wednesday, January 26, 2011 at 2:09pm
solve for x
.08x + .05(x1300) = 234
(I suggest multiplying each term by 100

Math Help Please  Tristan, Wednesday, January 26, 2011 at 2:18pm
would it be 23 or 2300

Math Help Please  Reiny, 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  Tristan, Wednesday, January 26, 2011 at 2:33pm
Can somebody help me i still don't get how to do this?

Math Help Please  Reiny, Wednesday, January 26, 2011 at 2:55pm
from my equation :
.08x + .05(x1300) = 234
times everybody by 100
8x + 5(x1300) = 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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