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PetraPetra is mixing drops of food coloring to create a purple frosting cake she used 24 drops of red 16 drops of blue find a ratio of drop of red dye to Total drops of dye Express as simplified ratio

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red drops = 24

blue drops = 16

total drops = 24 + 16

= 40

Proportion

24:: 40

Simplifying

12::20

6:: 10

3::5

The proportion of red drops to total drops is 3::5

b) 276:6

46: 1

There are 46 books per shelf.

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