You will need 8 drops of blue coloring to mix icing with 4 drops of yellow coloring.
In order to make the icing, you <u>used 2 drops of yellow coloring</u> for every<u> 4 drops of blue coloring. </u>
You need to first find the unit rate of blue coloring to yellow coloring.
<em>= blue coloring required / yellow coloring </em>
= 4 / 2
= 2
This means that for every drop of yellow coloring used, 2 drops of blue is used.
If you are to <u>use 4 drops of yellow</u>, the number of blue drops to use is:
<em>= Number of yellow drops x unit rate</em>
= 4 x 2
= 8 drops of blue coloring
In conclusion, you will need 8 drops of blue coloring for 4 drops of yellow coloring.
<em>Find out more at brainly.com/question/17041316.</em>