Otis' Method:
1 cup concentrate/4 cups total = x cups concentrate/128 cups total
4 cups total/1 cup concentrate = 128 cups total/32 cups concentrate
Proportion: 2 equivalent ratios that are set equal to each other
Sarah's dog is given a vitamin dosage.
A ten pound dog is given a 1 teaspoon dose.
Sarah's dog weighs 80 pounds. What is the dosage?
Her other dog weighs 7 pounds. What is the dosage?
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