功課問題eng
2009-07-30 11:33 pm
1.if a soldier marched at 3 miles an hour,how many feet did he move in a minute?
回答 (3)
2009-08-03 11:50 pm
✔ 最佳答案
1.If a soldier marched at 3 miles an hour,how many feet did he move in a minute? 3miles/hour
=3X5280feet/60minutes
=15840feet/60minutes
=(15840/60)feet/minute
=264feet/minute
Therefore he moved 264 feet in a minute.
Note: Answer should be in feet/minute not minute.
2009-08-03 11:55 pm
1 miles = 5280 feet
Say, soldier speed = 3 x 5280 = 15840 feet/hr
= 15840 / 60 = 264 feet/min
Say, soldier speed = 3 x 5280 = 15840 feet/hr
= 15840 / 60 = 264 feet/min
2009-07-30 11:35 pm
Answer: 264 minutes
收錄日期: 2021-05-02 12:37:58
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