Answer:
216
Step-by-step explanation:
is 216
less than
240 miles
1/2 + 1/2 + 1/2 + 1/2 = 2
60 + 60 + 60 + 60 or 60 * 4 = 240
1/3*18=6
18-6=12
12-4=8
8/2=4