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 Question from Rebeccah, a student: Olivia and Ray walk to school. Olivia walks 1/4 of a mile to school. Her walk is 2/3 of the distance that walks Ray to school. What is the total distance,in miles,that Ray walks to school?

Hi Rebeccah,

Suppose that Ray walks $d$ miles to school. Olivia walks 2/3 the distance that Ray walks so she walks $\frac23 \times d$ miles. But this is 1/4 of a mile. Solve for $d.$