You would be able to drink 7.5oz of the can while you would only intake 25grams of sugar
Yes, the variable of interest is two-dimensional.
If you are making a graph about the area of a country, that is a two dimensional measurement. It would be ok to make a graph that is also 2 dimensional.
A whole number? ok. 24x10^4. usually though you would use standard form so it would be 2.4x10^5