The shell of a hard-boiled egg can be dyed different colors by putting the egg in a mixture of water, food coloring, and distilled vinegar. The color of the dye becomes darker when the ratio of food coloring to distilled vinegar is
increased. Jaime mixed 40 drops of blue food coloring with 2 teaspoons of distilled vinegar.
Which additional change will make the color of the dye darker?
A Add 4 more teaspoons of distilled vinegar but do not add any more blue food coloring.
B
Add 20 more drops of blue food coloring and 1 teaspoon more of distilled vinegar.
C Add 5 more drops of blue food coloring and
teaspoon more of distilled vinegar.
D
Add 10 more drops of blue food coloring but do not add any more distilled vinegar.