To find the rate of water to lemonade divide the cups of water into the cups of lemonade:
You can write the mixed number 3 1/2 as a fraction:
[tex]3\frac{1}{2}=3+\frac{1}{2}=\frac{6}{2}+\frac{1}{2}=\frac{7}{2}[/tex]Find the rate:
[tex]\frac{\frac{7}{2}}{\frac{1}{2}}=\frac{7}{1}[/tex]The rate is 7 cups of water to 1 cup of lemonade