SOLUTION: 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

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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?
Found 2 solutions by swincher4391, Alan3354:
Answer by swincher4391(1107) About Me  (Show Source):
You can put this solution on YOUR website!
distance = rate * time or d=rt keep this in mind.
Hoffman: d =rt; 275 = 55t; t= 5 hours
Nova; d =rt; 275 = 65t; t= 4.23 hours = 4 hours and 14 minutes
So, Nova arrived 46 minutes earlier.

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
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