Question 666130
Mr. Hoffman and Mr. Nova were traveling in 2 separate cars from Pittsburgh to Harrisburg on the PA turnpike.. A distance of 275 miles. Mr.Hoffman,traveled at 65 MPH. Mr.Nova drove at 55 MPH. How much sooner did Mr. Hoffman arrive than Mr. Nova?
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d = r*t
t = d/r
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difference = 275/55 - 275/65 hours