Question 74277
$x is 09% or 0.09
$10,000 - x in 11% or 0.11
0.09x + 0.11(10,000 - x) = 980
0.09x + 1,100 - 0.11x = 980
-0.02x = -120
x = 6,000
$6,000 in 9% and $4,000 in 11%