Take 38,000 minus 6,840 and then you got your answer
The first one would be (2x)(7) and plus the other 75 it would be 738 with that in total of it c 5 3-15
The answer is 5.5 because 66/12= 5.5, hope this helps..
Subtract 50 mL from 62.4 mL to get the volume of the metal. Then, divide the mass (48g) by the volume to get your density