Directions: Using the digits 0 to 9 at most one time each, place a digit in each box to make two equivalent ratios where one of the ratios is a unit rate.

### Hint

1. What do we know about a unit rate?

2. Are any numbers off-limits in this problem?

2. Are any numbers off-limits in this problem?

### Answer

There are many answers including 68/34 = 2/1 and 78/26 = 3/1. All of them will have a 1 in the denominator of the fraction on the right.

Source: Scott Houston

72/24 =3/1

86/43 = 2/1

70/35 = 2/1

90/45 = 2/1

68/34 = 2/1

72/24=3/1

78/26=3/1

36/18=4/2

I defied Open middle with my answer

Never mind