SOLUTION: How is 3 and a half hours at 45 mph equal to 157.5 miles?

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Question 730470: How is 3 and a half hours at 45 mph equal to 157.5 miles?
Answer by MathLover1(20855) About Me  (Show Source):
You can put this solution on YOUR website!
+3 and a half hours is t=3.5h at v=45mph
equal to distance d=157.5+miles
as you know the distance is d=v%2At
plug in given values
d=45%28mil%2Fh%29%2A3.5h
d=45%2A3.5%28mil%2Fcross%28h%29%29%2Across%28h%29
d=157.5mil