SOLUTION: The distance traveled by a truck at a constant speed varies directly with the length of time it travels. If the truck travels 168 miles in 4 hours, how far will it travel in 7 hou

Algebra ->  Coordinate-system -> SOLUTION: The distance traveled by a truck at a constant speed varies directly with the length of time it travels. If the truck travels 168 miles in 4 hours, how far will it travel in 7 hou      Log On


   

Question 64168This question is from textbook
: The distance traveled by a truck at a constant speed varies directly with the length of time it travels. If the truck travels 168 miles in 4 hours, how far will it travel in 7 hours? This question is from textbook

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
The distance traveled by a truck at a constant speed varies directly with the length of time it travels. If the truck travels 168 miles in 4 hours, how far will it travel in 7 hours?
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d=kt ; need to find "k"
168=k*4
k=42
EQUATION:
d=42t
If t=7, find distance
distance=42(7)
distance=294 miles
Cheers,
Stan H.