Answer:
I think the answers are 3 & 0 .
Step-by-step explanation:
Good luck .
Answer: 
Step-by-step explanation:
Given
The ratio of mixture of sand and cement is 5:3
If the total volume of mixture is 
Suppose there is 5x and 3x cubic centimeter of sand and cement respectively i.e.

Sand 
So, there is
of sand in the mixture
Answer:
d
Step-by-step explanation: