Question 49519
.17x+.08(5000-x)=490 or .17x+400-.08x=490 or .17x-.08x=490-400 or

.09x=90 or x=90/.09 or x=1000 thus 1000 was invested @ 17% then 5000-1000=4000 
was invested @ 8%

proof .17*1000+.08*4000=490 or 170+320=490 or 490=490