Answer:
The scale factor of water to flour represents the proportionality ratio, that is,
.
Explanation:
According to the statement, we know that it exists a linear relationship between cups of water (
) and cups of flour (
). That is:
(Eq. 1)
Where
is the proportionality ratio, measured in cups of water per cup of flour.
Therefore, the scale factor of water to flour represents the proportionality ratio, that is,
.