We have to find how many 1/2-miles are in 12 miles.
That can be calculated by dividing 12 by 1/2:
[tex]\frac{12}{\frac{1}{2}}=12\cdot(\frac{2}{1})=12\cdot2=24[/tex]Or we can calculate how many half miles are in 1 mile: there are 2. Then, for 12 miles, we will have 2*12 =24 half miles.
Answer: 24.
