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ziro4ka [17]
3 years ago
9

A road sign gives drivers information about traffic on busy highways. One sign shows "15 miles in 20 minutes". What is this spee

d in miles pee hours?
Mathematics
2 answers:
Tamiku [17]3 years ago
8 0
First of all you need to work out 20 minutes in hours, this can be done by dividing 20 by 60:
20/60 = 1/3

Then you need to divide 15 by 1/3 to get the final speed:
15 / 1/3 = 45 miles per hour


He will need to be traveling at 45 miles per hour,
Hope this helps! :)
masha68 [24]3 years ago
5 0
15/20 = mph/60

60 x 15 = 20 x mph

900 = 20 x mph

900/20 = mph

45mph is your answer.
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