! minute = 60 seconds, so multiply by 60.
60 sec = 1 min so 240 sec = 240/60 = 4 min. Simple!
10 Min's - 5 Min's = 5 Min's - 50 Sec's = 4 Min's 10 Sec's - 15 Sec's = 3 Min's 55 Sec's 3 Minutes and 55 Seconds. ------------------- Interesting math, but the correct answer is still 4 minutes, 25 seconds. Why did you subtract the 15 seconds instead of adding it??
time = distance / speed = 0.25 miles / 200 mph = 0.00125 hr 1 hr = 60 min → 0.00125 hr = 0.00125 × 60 min = 0.075 min 1 min = 60 sec → 0.075 min = 0.075 × 60 sec = 4.5 sec → it takes 4½ seconds to travel 0.25 miles at 200 mph.
To drive 227 miles at 70 mph takes approx 3 hours 14 minutes 34.3 seconds. time = distance / speed = 227 miles / (70 miles/hour) = 3 17/70 hours ≈ 3.243 hours 1 hour = 60 min 1 min = 60 sec → 17/70 hour = 17/70 × 60 min = 14 4/7 min → 4/7 min = 4/7 × 60 sec = 34 2/7 sec ≈ 34.3 sec
184 yds in 3 min. 4 sec = 184 yds in 184 sec. = 1 yard per second (or 3 ft per sec.)
7
60 sec = 1 min so 240 sec = 240/60 = 4 min. Simple!
12.41 mph
4 sec/1 min = 4 sec/60 sec = 1/15
7
10 Min's - 5 Min's = 5 Min's - 50 Sec's = 4 Min's 10 Sec's - 15 Sec's = 3 Min's 55 Sec's 3 Minutes and 55 Seconds. ------------------- Interesting math, but the correct answer is still 4 minutes, 25 seconds. Why did you subtract the 15 seconds instead of adding it??
1 min = 60 sec 250 sec = 250/60 = 4 minutes and 10 sec
4 min 51 sec
To travel 200 miles at 450 mph takes 26 min 40 sec. time = distance / speed = 200 miles / (450 miles / hour) = 4/9 hour ≈ 0.444 hour 1 hour = 60 min → 4/9 hour = 4/9 × 60 min = 26 2/3 min ≈ 26.667 min 1 min = 60 sec → 2/3 min = 2/3 × 60 sec = 40 sec
1 minute is 60 seconds, so 4 min = 4x60 = 240 sec, and 3/4 minute = 45 sec. Add together to get 285 seconds
It also equals 13 12.
time = distance / speed = 0.25 miles / 200 mph = 0.00125 hr 1 hr = 60 min → 0.00125 hr = 0.00125 × 60 min = 0.075 min 1 min = 60 sec → 0.075 min = 0.075 × 60 sec = 4.5 sec → it takes 4½ seconds to travel 0.25 miles at 200 mph.