The answer is a because it starts at 0 then goes up to 23 and then it goes up to 46.
You simply divide 678 by 3 and get 226.
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:
y=2x+2
Step-by-step explanation:
1/3 because there are 5 chocolate chip cookies and 15 cookies in all. So your fraction would be 5/15 which simplified is 1/3