Question 798960
Fund1 a; Fund2 b
Last year: a*0.09+b*0.03=942 (1)
This year: a*0.10+b*0.01=846 (2)
x100; 3*(2)-(1)
3*(10a+b) - (9a+3b)=3*84600 - 94200
30a-9a+3b-3b =   253800-94200
21a = 159600
3a=22800
a=7600
(1) 7600*.09+.03*b=942
{{{ b= (942-684)/.03 = 258/.03 = 8600 }}}

Check (2)
760+86 = 846