Answer:
Subtract
Step-by-step explanation:
Subtract to eliminate the y value so all that is left to slove is the x value. Once you have the x value, you can plug it in to find the y value.
all i see is ..........
4:6 or 2:3
Since the ratio of mass of oxygen to carbon is 4:3, when there are two carbons the ratio will be 4:3*2=4:6=2:3. Hope this helps!
3:5, 4:9, 6:8 those are examples