4 POUNDS because 20oz plus 16oz plus 1 pound (16oz) plus 12oz equals 64oz and there are 16oz in a pound so divide 64 by 16 and that comes out to 4 witch means YOUR ANSWER IS 4 POUNDS OR 64OZ
150 is the amount of interest earned for one year because the formula of PRT is, in this case 5000 times 0.03 times one which gets you the answer of 150.
