It would be B I believe!!
Answer:
<em>The </em><em>SI </em><em>unit </em><em>of </em><em>density </em><em>is </em><em>g/</em><em>cm³</em><em> </em><em>or </em><em> </em><em>kg/</em><em>m³</em>
The area is 80 just time 10 and 2 and 4
Surface area = 50 x 30 = 150
Per cm of height 150 cubic cm needed
7cm height needed
150 x 7 = 1050 cubic cm needed
Your answer is 43.8444444 and simplified you could also put it as 16.035
