To find the rate of corn starch in cups per cup of water, you can use the given ratio of corn starch to water.
The bubble solution contains \( \frac{3}{4} \) cup of corn starch for every 2 cups of water.
To find the rate in cups of corn starch per cup of water, you can set up the following calculation:
\[ \text{Rate} = \frac{\text{corn starch}}{\text{water}} = \frac{\frac{3}{4} \text{ cup of corn starch}}{2 \text{ cups of water}} \]
Now, we can simplify the fraction:
\[ \text{Rate} = \frac{3/4}{2} = \frac{3}{4} \times \frac{1}{2} = \frac{3}{8} \]
Therefore, the rate is \( \frac{3}{8} \) cup(s) of corn starch per cup of water.
So the final answer is:
The rate is \( \frac{3}{8} \) cup(s) of corn starch per cup of water.
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