Answer:
12 inches
Explanation:
10 x 12 = 240
0.5 x 240 = 120
0.10 x 120 = 12
you do 10 x 12 to fid the total miles, you can also find it by doing 240 x 0.10.
then you do 240 x 1/2 because it is 1/2 inch per mile.
then you divide the answer to that by 10 because there are 10 inches per mile.