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To make 6 glasses of lemonade, Karla uses 1/2 cup of sugar, 1/2 cup of lemon juice, and 51/2 cup of water. If Karla wants to make 10 glasses of lemonade, which proportion can she use to determine how many cups of water, w, she will need?

Answer :

ioana123
lemonade         sugar.          lemon juice        water

6 glasses...........1/2.................1/2................51/2
10 glasses.........x.....................y...................z

x=(10*1/2)/6
x=10/2/6
x=5/6 sugar

y=x=5/6 lemon juice

z=(51/2*10)/6
z=(510/2)/6
z=255/6  water

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