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Sarabi drove 20 mi at 40 mph. How long did she drive? Let d represent distance, r represent rate, and t represent time.
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Sarabi drove 20 mi at 40 mph. How long did she drive? Let d represent distance, r represent rate, and t represent time.
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Jan 15, 2017
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Sarabi drove 20 mi at 40 mph. How long did she drive?
Let d represent distance, r represent rate, and t represent time.
Mathematics
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Icedtrees
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1/2 of the time
d=st
distance=speed times time
we want to find time
divide both sides by speed
d/s=t
d=20
s=40
20/40=t
1/2=t
this is in hours
she drove for 1/2 hour or 30 mins
Bijin Abraham
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Jan 19, 2017
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Bijin Abraham
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