Drive to NJ

Ed drove to New Jersey at 30mph. He drove back home in 3 hours at 50 mph. How many hours did it take Ed to drive to New Jersey?

Correct answer:

t2 =  5 h

Step-by-step explanation:

t1=3 h v1=50 mph  s=t1 v1=3 50=150 mile  v2=30 mph s=t2 v2  t2=s/v2=150/30=5 h



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