i really want to kill science sometimes, help please.
You bike from your house to school, covering a distance of 3 km in 15 minutes. What is your average speed? Give your answer in kilometers per hour.
please help.
ugh, stupid math/science.?
2008-11-19 5:37 am
回答 (3)
2008-11-19 2:12 pm
✔ 最佳答案
15 minutes = 15/60 hour
= 0.25 hour
Average speed
= distance / time (kilometers per hour)
= 3 / 0.25
= 12 kilometers per hour
I hope I can help you =]
2008-11-19 6:47 am
7km/ph
2008-11-19 5:44 am
3km/ 15 minutes = x km/ 60 minutes
cross multiply
15x= 180
solve for x
x=180/15= 12
cross multiply
15x= 180
solve for x
x=180/15= 12
收錄日期: 2021-04-23 23:01:43
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