$4,000 is invested at 3% interest. how much money must be invested at 5% interest so that the total interest from the two investments is $195 after a year?

Answer this question only if you know the answer! 30 points and

X+y=-4 x-y=2 use elimination with adding and subtraction

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.