Directions: Using the digits 0 to 9, at most one time each, place a digit in each box to create two unit rates. You may reuse all the digits each equation.
Hint
How will the digits you choose affect whether you can have a single digit numerator in the unit rate?
Answer
There are many possible answers including 2/4 / 3/6 = 1/1 and 8/1 / 6/3 = 4/1
Source: Robert Kaplinsky
Open Middle®