Question
A recipe of a fruit punch calls for 2 cups of orange juice to 1 cup of apple juice. How much orange juice and how much apple juice is needed to make 12 cups of this fruit punch?
Answers
so, twice as much orange juice as apple juice
find the proportionality constant (k) ... 2 k + 1 k = 12 ... 3 k = 12 ... k = 4
8 + 4 = 12 ... 8 c orange , 4 c apple
find the proportionality constant (k) ... 2 k + 1 k = 12 ... 3 k = 12 ... k = 4
8 + 4 = 12 ... 8 c orange , 4 c apple
x/12 = 1/3
x = 4
x = 4
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