3
Given:
x + y = 2100
0.06x + 0.03y = 117
Solve for one variable
y = 2100 - x
Substitute into profit equation:
0.06x + 0.03(2100 - x) = 117
0.06x + 63 - 0.03x = 117
0.03x + 63 = 117
0.03x = 54
x = 54 / 0.03 = 1800
Solve for y
y = 2100 - 1800 = 300
Answer:
$1800 invested at 6%
$300 invested at 3%
Added 9 days ago|12/3/2025 10:28:32 AM
This answer has been confirmed as correct and helpful.
