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To decorate a cake, you make a shade of green icing using 3 drops of yellow food coloring for every 4 drops of blue food coloring. If you use 12 drops of yellow food coloring, how many drops of blue food coloring would you need?

Respuesta :

This kinda easy. Every 3 yellow drops is 4 blue drops, so here's the answer.        3 = 4, 6 = 8, 9 = 12, 12 = 16. so you would need 16 blue drops.        

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