SOLUTION: car traveling 60 mph. truck leaves 7 minutes later traveling 70 mph. when will truck pass car

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Question 486567: car traveling 60 mph. truck leaves 7 minutes later traveling 70 mph. when will truck pass car
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
7/60x60=7 miles
n(60)+7=n(70)
10n=7
n=7/10 hours=42 minutes..