rate = distance / time; so (390 mi)/(13 hr) = 30 mi/hr, also known as 30 mph
The most important formula to memorize is: Distance = Rate (speed) x Time (hours or minutes, etc..) Therefore, the average rate on the first date can be calculated as follows: Rate = Distance / Speed 348 miles divided by 6 hours = 58 miles per hour. At that rate, a total of 58 miles times 9 hour = 522 miles can be driven by the family in the next 9 hours.
To get the rate for 250 miles in 5 hours, divide the miles by the hours to get miles per hour, 250 miles/5 hours=50 miles per hour. If you divide 5 hours by 250 miles, you get 0.02 hours per mile, the other unit rate for this set of numbers.
His rate is 4 miles per hour.
360 ÷ 6 = 60 miles per hour is the unit rate
at the rate of 30 miles per hour it would take 1 hour. at the rate of 30 miles per hour it would take 1 hour.
Distance = Rate * Time or, for our purposes Time = Distance/Rate Time = 323 miles/70 miles per hour = 4.61 hours -----------------
The rate of speed is 11.43 miles per hour
Matts speed was 320/5 miles per hour. At 320/5 mph he could have driven 9*320/5 miles = 9*64 = 576 miles.
20 miles per hour.
30 miles per hour.
57 miles per hour.
60 miles per hour.