6 (x+3)=12x-12
6x+18=12x-12
6x-12x=-18-12
-6x=-30
x=5
Answer:
20
Step-by-step explanation:
because 4 can go into 20 5 times without a remainder
7168
169 miles * 5280 ft/ mile = 892320 ft
3 hours * 60 minutes/1 hr = 180 minutes
3 hrs 30 minutes = 180 minutes + 30 minutes = 210 minutes
169 miles/ 3 hrs 30 minutes = 892320 ft/ 210 minutes = 4249.1 ft/ minutes
