Pam's ratio is 2 cups club soda to 5 cups juice. Barry is making punch with 3 cups club soda to 8 cups juice. Erin is also making punch with 4 cups of club soda to 10 cups of juice. Whose ratio is the same as Pam's?

Jun 28, 2018

Erin's ratio of club soda to juice $\left(\frac{2}{5}\right)$ is same as of Pam's $\left(\frac{2}{5}\right)$

Explanation:

Pam's ratio of club soda to juice is $2 : 5 = \frac{2}{5} = 0.4$

Barry's ratio of club soda to juice is $3 : 8 = \frac{3}{8} = 0.375$

Erin's ratio of club soda to juice is $4 : 10 = \frac{4}{10} = \frac{2}{5} = 0.4$

Erin's ratio $\left(\frac{2}{5}\right)$ is same as Pam's $\left(\frac{2}{5}\right)$ [Ans]