Question 146602
5600*.065+.09x=.08(5600+x)
364+.09x=448+.08x
.09x-.08x=448-364
.01x=84
x=84/.01
x=8,400 invested @ 9% will stiafy the need.
proof:
5600*.065+.09*8,400=.08(5600+8,400)
364+756=.08*14,000
1,120=1,120