1. Közösség
2. Study Group
3. Math grade 10 i need help!

Let x be invested at 3.5% and y at 10%   x + y = 5400 .035x = .1y =>  y = .35x   Substitute: x + .35x = 5400 => x = 5400/1.35.   You should be able to do the arithmetic from here.   So x is 4000 an...