
Patrick B. answered 09/02/20
Tutor
4.7
(31)
Math and computer tutor/teacher
X+Y = 25000
0.08X + 0.09Y = 2150
0.08X + 0.09 (25000 - x) = 2150
0.08X + 2250 - 0.09x = 2150
-0.01x = -100
x = 10000
10000 at 8% and 15000 at 9%
check:
800 + 1350 = 2150