Question 429877
Let x = the amount invested at 14%
Then 6000-x = the amount invested at 8%
The total interest earned is $780.
So we can write
0.14x + 0.08(6000-x) = 780
Solve for x:
0.14x - 0.08x + 480 = 780 -> x = 300/0.06 = $5000
Therefore the amount invested at 8% interest = 6000 - 5000 = $1000