| 
 
 
| Question 323743:  total investment = $3000 in two investment
 made 3% on the first investment and 4% on the second
 total profit = $107
 question:
 what was the amount of each investment?
 need illustration please
 thank you
 Answer by checkley77(12844)
      (Show Source): 
You can put this solution on YOUR website! .04x+.03(3,000-x)=107 .04x+90-.03x=107
 .01x=107-90
 .01x=17
 x=17/.01
 x=1,700 amount invested @ 4%.
 3,000-1,700=1,300 invested @ 3%.
 Proof:
 .04*1,700+.03*1,300=107
 68+39=107
 107=107
 
 | 
  
 | 
 |