The answer would be 2:5 because there is 2 parts of cement and 5 parts of sand and they want to know the ratio of cement to sand
A ratio is simply comparing something and it compared the cent to the sand which is 2:5 or you can right it as 2 to 5 or 2/5 as a fraction
The equations
and
are really the same, we're just setting 
, or 
.
So we get
So all you need to do is subtract m from both sides.
Then you have your answer
m = 1
I hope this helps
-ayden
I believe the points should be as follows : X, S, Y, and U.
