An investor invested a total of

Question

$1,900 
in two mutual funds. One fund earned a 
9% 
profit while the other earned a 
5% 
profit. If the investor's total profit was 
$143, 
how much was invested in each mutual fund?

The amount invested in the mutual fund that earned 
9% 
was 
what?

The amount invested in the mutual fund that earned 
5% 
was 
what?

Answer 1

amount invested at 9% --- x
amount invested at 5% --- 1900-x

.09x + .05(1900-x) = 143
multiply by 100 to get rid of decimals
9x + 5(1900-x) = 14300

take over from here