SOLUTION: I invested 6000.00. I earned 203 dollars total interest. Part at 3 percent and part at 5 percent. How much interest did I earn at each percent

Algebra ->  Customizable Word Problem Solvers  -> Finance -> SOLUTION: I invested 6000.00. I earned 203 dollars total interest. Part at 3 percent and part at 5 percent. How much interest did I earn at each percent      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 718156: I invested 6000.00. I earned 203 dollars total interest. Part at 3 percent and part at 5 percent. How much interest did I earn at each percent
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
.05X+.03(6000-X)=203
.05X+180-.03X=203
.02X=203-180
.02X=23
X=23/.02
X=$1,150 INVESTED @ 5%.
6000-1,150=$4850 INVESTED @ 3%.
PROOF:
.05*1150+.03*4850=203
57.50+145.50=203
203=203