$\"\"$

The field for a three-legged race is $\"\"$ feet.

Each lane is $\"\"$ feet.

Number of lanes = $\"\"$ .

$\"\"$ (Write mixed numbers as improper fractions)

$\"\"$ (Multiply by reciprocal)

$\"\"$ (Use rule for multiplying fractions)

$\"\"$ (Divide out common factor)

$\"\"$ (Multiply: $\"\"$ )

There are 6 lanes. $\"\"$

There are 6 lanes.