Write an equation to describe the situation. Jorge leaves Chicago driving at 57 miles per hour. Manuel leaves 6 hours later from the same place, along the same road, at a rate of 60 mph. If Jorge travels for t hours, in how many hours will Manuel overtake him?

A. 57t = 60(t + 6)
B. 57(t - 6) = 60t
C. 57t = 60(t - 6)
D.  = 


Answer: C

Mathematics

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Given AB=20, BC is half the length of AB, and CD is half the length of BC, find the length of AD.


a.  35
b.  40
c.  30
d.  60

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What will be an ideal response?

Mathematics