Patrick B. answered 02/12/21
Tutor
4.7
(31)
Math and computer tutor/teacher
X + y = 34000
0.03x + 0.09y = 2460
0.03x + 0.09(34000 - x) = 2460
0.03x + 3060 - 0.09x = 2460
3060 - 0.06 x = 2460
-0.06x = 2460 - 3060
-0.06x = -600
6x = 60000
x = 10000
10000 at 3% and 24000 at 9%