30 minutes is 1/2 hr. If you are travelling at 70mph, the in half an hour you will travel half of 70 which is 35 miles.
20
If you could drive 184 miles in 15 minutes, multiply 184 by 4 (15 minutes is one-quarter of an hour) to get your MPH. In those 15 minutes, your average speed was 736 MPH.
48.8 minutes.
56 minutes at 60 mph
8 hours 6 minutes @70 mph
21 minutes 2.76 seconds at 65 mph
At 60 mph, you can drive 10 miles. At 30 mph, you can drive 5 miles.
About 19 minutes
Five minutes at 60 mph
16 minutes at 60 mph
115.4 minutes.
19.5 miles.
148.75 miles.
54 minutes.
15 minutes.
36 minutes.
About 35 miles.
7.67 miles.