27 divided by 5 = 5.4 so if you round up you get 6. She’ll need to buy 6 cakes for everyone to have a piece of cake
If the edge of the cube is doubled then its surface area of the cube becomes 4 times and the volume becomes 8 times
N=7/5=1.4 because if you divide by 5 your answer should be 1.4
Answer:

Step-by-step explanation:
Series: 
Formula :





So, Option C is true