An investor invests a total of $15,000 in two banks. One bank pays 4% simple interest, and the other bank pays 2.5% simple interest. The investor earns $472.80 annual interest. Set up a system of equations to represent this relationship with x= the amount invested at 4% and y = the amount invested at 2.5% How much was invested at 2.5%?

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

Solve the equation below: (x+4)/6x=1/x a. x=2 b. x=0,2 c. x=-2 d. x=0,-2

40) linda was making chocolate truffles for the first day of school. the recipe for 20 chocolate truffles is: i cup of cream 2 cups of dark chocolate she noticed this will not be enough truffles for the 42 sure that all students in each homeroom next year. to be sure that all students receive a truffle, linda must adjust her recipe. a. complete the recipe for 42 truffles cups of cream - cups of dark chocolate work: